@charset "UTF-8";
/* =========================================================
 * 三江侗族自治县侗乡通网络科技工作室 · 官方站点样式
 * 设计基调：简约大气 + 科技感（深空蓝渐变 / 网格光晕 / 玻璃拟态）
 * ========================================================= */

/* ---------- 变量 ---------- */
:root {
    --ink: #0a1426;
    --ink-2: #16233c;
    --ink-3: #2b3a52;
    --muted: #5c6c85;
    --muted-2: #8a99b0;
    --bg: #f5f8fc;
    --bg-soft: #eef3fa;
    --white: #ffffff;
    --line: rgba(13, 32, 63, 0.09);
    --line-strong: rgba(13, 32, 63, 0.16);

    --brand: #1b5cff;
    --brand-deep: #0b3bc4;
    --cyan: #00c2ff;
    --grad: linear-gradient(120deg, #1b5cff 0%, #00b8ff 55%, #00e0c6 100%);
    --grad-soft: linear-gradient(120deg, rgba(27, 92, 255, 0.10), rgba(0, 200, 255, 0.10));

    --radius-s: 10px;
    --radius: 16px;
    --radius-l: 24px;
    --shadow-s: 0 2px 10px rgba(11, 26, 50, 0.05);
    --shadow-m: 0 16px 40px -20px rgba(11, 26, 50, 0.28);
    --shadow-l: 0 30px 70px -30px rgba(11, 26, 50, 0.35);
    --container: 1200px;
    --nav-h: 74px;
    --ease: cubic-bezier(0.22, 0.61, 0.36, 1);

    --font: "Inter", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

/* ---------- 基础 ---------- */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.75;
    color: var(--ink-3);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
h1, h2, h3, h4 { color: var(--ink); margin: 0 0 .6em; line-height: 1.25; font-weight: 800; letter-spacing: -.01em; }
h1 { font-size: clamp(2rem, 1.3rem + 2.4vw, 3.4rem); }
h2 { font-size: clamp(1.5rem, 1.05rem + 1.5vw, 2.35rem); }
h3 { font-size: 1.15rem; }
h4 { font-size: 1rem; }
p { margin: 0 0 1em; }
a { color: var(--brand); text-decoration: none; transition: color .2s var(--ease); }
a:hover { color: var(--brand-deep); }
img, svg { max-width: 100%; }
ul, ol { margin: 0; padding: 0; list-style: none; }
b, strong { font-weight: 700; }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; border-radius: 6px; }

.container { width: min(100% - 48px, var(--container)); margin-inline: auto; }
.skip-link {
    position: absolute; left: -9999px; top: 0; z-index: 200; background: var(--ink); color: #fff;
    padding: 10px 18px; border-radius: 0 0 10px 0;
}
.skip-link:focus { left: 0; color: #fff; }
.icon { width: 1em; height: 1em; display: inline-block; vertical-align: -.14em; }

/* ---------- 按钮 ---------- */
.btn {
    --btn-bg: transparent;
    display: inline-flex; align-items: center; gap: 10px;
    padding: 14px 26px; border-radius: 999px; border: 1px solid transparent;
    font-size: .95rem; font-weight: 700; cursor: pointer;
    transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease);
    background: var(--btn-bg); white-space: nowrap;
}
.btn .icon { width: 18px; height: 18px; transition: transform .25s var(--ease); }
.btn:hover .icon { transform: translateX(4px); }
.btn-primary {
    color: #fff; background: var(--grad); background-size: 160% 100%;
    box-shadow: 0 14px 30px -14px rgba(27, 92, 255, .65);
}
.btn-primary:hover { color: #fff; transform: translateY(-2px); background-position: 100% 0; box-shadow: 0 20px 40px -16px rgba(27, 92, 255, .7); }
.btn-ghost-light { color: #fff; border-color: rgba(255, 255, 255, .32); backdrop-filter: blur(6px); background: rgba(255, 255, 255, .06); }
.btn-ghost-light:hover { color: #fff; background: rgba(255, 255, 255, .14); transform: translateY(-2px); }
.btn-outline { color: var(--brand); border-color: rgba(27, 92, 255, .35); background: #fff; }
.btn-outline:hover { color: #fff; background: var(--brand); border-color: var(--brand); transform: translateY(-2px); }
.btn-sm { padding: 10px 18px; font-size: .85rem; }
.btn-block { width: 100%; justify-content: center; }

/* ---------- 顶部导航 ---------- */
.site-header {
    position: fixed; inset: 0 0 auto; z-index: 100; height: var(--nav-h);
    display: flex; align-items: center;
    transition: background .3s var(--ease), box-shadow .3s var(--ease), backdrop-filter .3s var(--ease);
}
.site-header.is-stuck {
    height: 66px; background: rgba(255, 255, 255, .88);
    backdrop-filter: saturate(180%) blur(16px);
    box-shadow: 0 1px 0 rgba(13, 32, 63, .06), 0 12px 30px -22px rgba(11, 26, 50, .5);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }

.brand { display: inline-flex; align-items: center; gap: 12px; color: #fff; }
.brand-mark { width: 42px; height: 42px; flex: none; display: grid; place-items: center; }
.brand-mark svg { width: 40px; height: 40px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text strong { font-size: 1rem; font-weight: 800; letter-spacing: .01em; }
.brand-text small { font-size: .64rem; letter-spacing: .16em; opacity: .68; font-weight: 600; }

.nav { display: flex; align-items: center; gap: 32px; }
.nav ul { display: flex; align-items: center; gap: 30px; }
.nav-link {
    position: relative; color: rgba(255, 255, 255, .9); font-size: .95rem; font-weight: 600; padding: 6px 0;
}
.nav-link::after {
    content: ""; position: absolute; left: 50%; bottom: 0; width: 0; height: 2px; border-radius: 2px;
    background: var(--grad); transform: translateX(-50%); transition: width .25s var(--ease);
}
.nav-link:hover::after, .nav-link.is-active::after { width: 22px; }
.nav-link.is-active { color: #fff; }
.nav-dot { display: none; }
.header-cta { box-shadow: 0 12px 26px -14px rgba(0, 200, 255, .8); }

.site-header.is-stuck .nav-link { color: var(--ink-2); }
.site-header.is-stuck .nav-link:hover, .site-header.is-stuck .nav-link.is-active { color: var(--brand); }
.site-header.is-stuck .brand { color: var(--ink); }
.site-header.is-stuck .brand-text small { opacity: .5; }

.nav-toggle { display: none; width: 44px; height: 44px; border: 1px solid rgba(255, 255, 255, .25); background: rgba(255, 255, 255, .08); border-radius: 12px; cursor: pointer; padding: 12px 10px; }
.nav-toggle span { display: block; height: 2px; border-radius: 2px; background: #fff; transition: transform .3s var(--ease), opacity .2s; }
.nav-toggle span + span { margin-top: 5px; }
.site-header.is-stuck .nav-toggle { border-color: var(--line); background: #fff; }
.site-header.is-stuck .nav-toggle span { background: var(--ink); }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
    position: relative; overflow: hidden; padding-top: calc(var(--nav-h) + 90px); padding-bottom: 80px;
    color: #fff; background: radial-gradient(130% 120% at 8% 0%, rgba(19, 58, 128, .85) 0%, transparent 62%), linear-gradient(150deg, #050c1c 0%, #0a1d3d 45%, #041227 100%);
}
.hero-page { padding-bottom: 70px; }
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-grid {
    position: absolute; inset: -20% -10% 0;
    background-image:
        linear-gradient(rgba(120, 180, 255, .07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(120, 180, 255, .07) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(80% 70% at 50% 20%, #000 0%, transparent 90%);
    -webkit-mask-image: radial-gradient(80% 70% at 50% 20%, #000 0%, transparent 90%);
}
.hero-glow { position: absolute; border-radius: 50%; filter: blur(90px); opacity: .55; }
.hero-glow-a { width: 460px; height: 460px; left: -80px; top: -120px; background: rgba(27, 92, 255, .55); animation: float 14s var(--ease) infinite alternate; }
.hero-glow-b { width: 520px; height: 520px; right: -120px; bottom: -220px; background: rgba(0, 200, 255, .35); animation: float 18s var(--ease) infinite alternate-reverse; }
.hero-ring {
    position: absolute; right: 6%; top: 16%; width: 380px; height: 380px; border-radius: 50%;
    border: 1px solid rgba(120, 190, 255, .25); box-shadow: inset 0 0 80px rgba(0, 200, 255, .18);
    animation: spin 40s linear infinite;
}
.hero-ring::before { content: ""; position: absolute; inset: 60px; border-radius: 50%; border: 1px dashed rgba(120, 190, 255, .22); }

.hero-inner { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, .9fr); gap: 64px; align-items: center; }
.hero-tag {
    display: inline-flex; align-items: center; gap: 8px; padding: 7px 16px; border-radius: 999px;
    background: rgba(120, 190, 255, .12); border: 1px solid rgba(120, 190, 255, .28);
    font-size: .8rem; letter-spacing: .04em; color: #bcdcff; margin-bottom: 24px;
}
.pulse-dot { width: 7px; height: 7px; border-radius: 50%; background: #26e5a3; box-shadow: 0 0 0 0 rgba(38, 229, 163, .7); animation: pulse 2.2s infinite; }
.hero-title { color: #fff; font-size: clamp(2.1rem, 1.2rem + 2.6vw, 3.6rem); margin-bottom: 20px; letter-spacing: -.02em; }
.hero-title-sm { font-size: clamp(1.9rem, 1.2rem + 2vw, 2.8rem); margin-bottom: 12px; }
.text-gradient {
    background: linear-gradient(100deg, #6fb0ff 0%, #4be3ff 45%, #56f0c6 100%);
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-eyebrow { font-size: .78rem; letter-spacing: .3em; color: rgba(160, 200, 255, .75); text-transform: uppercase; margin-bottom: 14px; font-weight: 600; }
.hero-desc { max-width: 620px; color: rgba(214, 230, 255, .82); font-size: 1.02rem; }
.hero-desc b { color: #fff; font-weight: 700; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }

.crumbs { display: flex; align-items: center; gap: 8px; font-size: .84rem; color: rgba(190, 214, 255, .7); margin-bottom: 16px; }
.crumbs a { color: rgba(190, 214, 255, .9); }
.crumbs a:hover { color: #fff; }
.crumb-sep { opacity: .5; }

/* Hero 右侧数据面板 */
.hero-panel {
    background: linear-gradient(160deg, rgba(255, 255, 255, .1), rgba(255, 255, 255, .03));
    border: 1px solid rgba(140, 200, 255, .22); border-radius: var(--radius-l);
    backdrop-filter: blur(14px); box-shadow: var(--shadow-l); overflow: hidden;
}
.panel-bar { display: flex; align-items: center; gap: 6px; padding: 12px 16px; border-bottom: 1px solid rgba(140, 200, 255, .14); background: rgba(8, 22, 46, .45); }
.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.dot-red { background: #ff6b6b; } .dot-yellow { background: #ffcf5c; } .dot-green { background: #31d68a; }
.panel-title { margin-left: 8px; font-size: .7rem; letter-spacing: .16em; color: rgba(190, 220, 255, .7); }
.panel-body { padding: 22px 24px 26px; }
.panel-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 18px; }
.panel-label { font-size: .82rem; color: rgba(200, 222, 255, .78); }
.panel-value { font-size: 2rem; font-weight: 800; color: #fff; letter-spacing: -.02em; }
.panel-value i { font-style: normal; font-size: .9rem; margin-left: 2px; color: #7fe6ff; }
.bar-row { display: grid; grid-template-columns: 88px 1fr; align-items: center; gap: 12px; margin-bottom: 11px; }
.bar-name { font-size: .68rem; letter-spacing: .1em; color: rgba(180, 210, 255, .6); }
.bar-track { height: 6px; border-radius: 4px; background: rgba(140, 190, 255, .16); overflow: hidden; }
.bar-track i { display: block; height: 100%; width: var(--val); border-radius: 4px; background: var(--grad); animation: growBar 1.6s var(--ease) both; }
.panel-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.panel-tags span { font-size: .72rem; padding: 5px 12px; border-radius: 999px; border: 1px solid rgba(140, 200, 255, .28); color: #cfe6ff; }

/* 数据统计条 */
.stat-bar {
    position: relative; z-index: 2; margin-top: 66px; display: grid; grid-template-columns: repeat(4, 1fr);
    border-radius: var(--radius-l); overflow: hidden;
    background: rgba(255, 255, 255, .07); border: 1px solid rgba(140, 200, 255, .2); backdrop-filter: blur(10px);
}
.stat-bar li { padding: 24px 20px; text-align: center; border-right: 1px solid rgba(140, 200, 255, .16); }
.stat-bar li:last-child { border-right: 0; }
.stat-bar strong { display: block; font-size: 2rem; font-weight: 800; color: #fff; letter-spacing: -.02em; line-height: 1.2; }
.stat-bar strong i { font-style: normal; font-size: 1rem; color: #7fe6ff; margin-left: 2px; }
.stat-label { font-size: .84rem; color: rgba(200, 222, 255, .78); }

/* ---------- 区块通用 ---------- */
.section { padding: 100px 0; }
.section-soft { background: var(--bg-soft); position: relative; }
.section-soft::before, .section-soft::after {
    content: ""; position: absolute; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(27, 92, 255, .18), transparent);
}
.section-soft::before { top: 0; } .section-soft::after { bottom: 0; }
.section-dark { background: linear-gradient(140deg, #061026 0%, #0a1d3d 60%, #06183a 100%); color: rgba(215, 230, 255, .8); position: relative; overflow: hidden; }
.section-dark::before {
    content: ""; position: absolute; inset: 0;
    background-image: linear-gradient(rgba(120, 180, 255, .06) 1px, transparent 1px), linear-gradient(90deg, rgba(120, 180, 255, .06) 1px, transparent 1px);
    background-size: 60px 60px; mask-image: radial-gradient(70% 60% at 50% 50%, #000, transparent);
    -webkit-mask-image: radial-gradient(70% 60% at 50% 50%, #000, transparent); pointer-events: none;
}
.section-dark .container { position: relative; z-index: 1; }

.section-head { max-width: 760px; margin: 0 auto 56px; text-align: center; }
.section-head h2 { margin-bottom: 16px; }
.section-head p { color: var(--muted); font-size: 1.02rem; margin: 0; }
.section-head-left { text-align: left; margin-inline: 0; }
.section-head-light h2 { color: #fff; }
.section-head-light p { color: rgba(210, 228, 255, .75); }
.eyebrow {
    display: inline-flex; align-items: center; gap: 10px; margin-bottom: 14px;
    font-size: .78rem; letter-spacing: .2em; font-weight: 700; color: var(--brand); text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 26px; height: 2px; border-radius: 2px; background: var(--grad); }
.section-head-light .eyebrow { color: #6fd0ff; }
.section-head-light .eyebrow::before { background: linear-gradient(90deg, #6fd0ff, #56f0c6); }

/* ---------- 卡片栅格 ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.grid-5 { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }

.service-card {
    position: relative; display: flex; flex-direction: column; padding: 30px 24px 26px; background: #fff;
    border: 1px solid var(--line); border-radius: var(--radius-l); overflow: hidden; color: inherit;
    transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}
.service-card::before {
    content: ""; position: absolute; inset: 0; opacity: 0; transition: opacity .35s var(--ease);
    background: radial-gradient(120% 90% at 100% 0%, rgba(27, 92, 255, .10), transparent 60%);
}
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-l); border-color: rgba(27, 92, 255, .34); color: inherit; }
.service-card:hover::before { opacity: 1; }
.service-icon {
    width: 52px; height: 52px; border-radius: 15px; display: grid; place-items: center; font-size: 26px; color: var(--brand);
    background: var(--grad-soft); border: 1px solid rgba(27, 92, 255, .16); margin-bottom: 20px;
    transition: transform .35s var(--ease), color .35s var(--ease), background .35s var(--ease);
}
.service-card:hover .service-icon { transform: rotate(-6deg) scale(1.06); background: var(--grad); color: #fff; }
.service-icon .icon { width: 26px; height: 26px; }
.service-card h3 { font-size: 1.08rem; margin-bottom: 10px; }
.service-card p { color: var(--muted); font-size: .92rem; line-height: 1.7; margin-bottom: 18px; }
.service-more { margin-top: auto; display: inline-flex; align-items: center; gap: 6px; font-size: .85rem; font-weight: 700; color: var(--brand); }
.service-index {
    position: absolute; right: 18px; top: 12px; font-size: 2.4rem; font-weight: 800; line-height: 1;
    color: rgba(13, 32, 63, .05); letter-spacing: -.04em; transition: color .35s var(--ease);
}
.service-card:hover .service-index { color: rgba(27, 92, 255, .12); }

/* 优势 */
.advantage-wrap { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: 60px; align-items: start; }
.advantage-copy h2 { margin-bottom: 18px; }
.advantage-copy p { color: var(--muted); }
.check-list { margin-top: 22px; display: grid; gap: 12px; }
.check-list li { position: relative; padding-left: 30px; color: var(--ink-2); font-size: .95rem; }
.check-list li::before {
    content: ""; position: absolute; left: 0; top: 8px; width: 18px; height: 18px; border-radius: 50%;
    background: var(--grad-soft); border: 1px solid rgba(27, 92, 255, .3);
}
.check-list li::after {
    content: ""; position: absolute; left: 6px; top: 13px; width: 6px; height: 3px;
    border-left: 2px solid var(--brand); border-bottom: 2px solid var(--brand); transform: rotate(-45deg);
}
.advantage-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.advantage-card { padding: 28px 24px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-s); transition: transform .3s var(--ease), box-shadow .3s var(--ease); }
.advantage-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-m); }
.advantage-icon { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 13px; background: var(--grad-soft); color: var(--brand); font-size: 22px; margin-bottom: 16px; }
.advantage-card p { color: var(--muted); font-size: .92rem; margin: 0; }

/* 场景 */
.scene-card { padding: 28px 24px; border-radius: var(--radius-l); background: linear-gradient(180deg, #fff, #f7faff); border: 1px solid var(--line); transition: transform .3s var(--ease), border-color .3s var(--ease); }
.scene-card:hover { transform: translateY(-6px); border-color: rgba(27, 92, 255, .3); }
.scene-icon { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 14px; color: #fff; background: var(--grad); margin-bottom: 16px; font-size: 22px; }
.scene-card p { color: var(--muted); font-size: .92rem; margin: 0; }

/* 流程 */
.process-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.process-item { position: relative; padding: 30px 24px 26px; border-radius: var(--radius-l); background: rgba(255, 255, 255, .05); border: 1px solid rgba(140, 200, 255, .18); transition: transform .3s var(--ease), background .3s var(--ease); }
.process-item:hover { transform: translateY(-6px); background: rgba(255, 255, 255, .09); }
.process-item:not(:last-child)::after {
    content: ""; position: absolute; right: -12px; top: 46px; width: 24px; height: 2px;
    background: linear-gradient(90deg, rgba(120, 200, 255, .6), transparent);
}
.process-step { font-size: 2rem; font-weight: 800; letter-spacing: -.03em; background: linear-gradient(120deg, #7fc0ff, #56f0c6); -webkit-background-clip: text; background-clip: text; color: transparent; }
.process-item h3 { color: #fff; font-size: 1.05rem; margin: 6px 0 8px; }
.process-item p { color: rgba(210, 228, 255, .72); font-size: .9rem; margin: 0; }

/* FAQ */
.faq-wrap { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 50px; align-items: start; }
.faq-list { display: grid; gap: 14px; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: box-shadow .3s var(--ease), border-color .3s var(--ease); }
.faq-item[open] { border-color: rgba(27, 92, 255, .32); box-shadow: var(--shadow-m); }
.faq-item summary { list-style: none; cursor: pointer; padding: 18px 22px; display: flex; align-items: center; justify-content: space-between; gap: 16px; font-weight: 700; color: var(--ink); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary i { position: relative; width: 22px; height: 22px; flex: none; border-radius: 50%; background: var(--grad-soft); border: 1px solid rgba(27, 92, 255, .25); }
.faq-item summary i::before, .faq-item summary i::after { content: ""; position: absolute; background: var(--brand); border-radius: 2px; transition: transform .3s var(--ease), opacity .3s var(--ease); }
.faq-item summary i::before { left: 5px; top: 10px; width: 10px; height: 2px; }
.faq-item summary i::after { left: 10px; top: 5px; width: 2px; height: 10px; }
.faq-item[open] summary i::after { transform: scaleY(0); opacity: 0; }
.faq-body { padding: 0 22px 20px; color: var(--muted); font-size: .95rem; }
.faq-body p { margin: 0; }

/* ---------- 关于我们 ---------- */
.about-intro { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: 56px; align-items: center; }
.about-intro-copy p { color: var(--muted); font-size: 1rem; }
.media-card {
    padding: 34px 30px; border-radius: var(--radius-l); color: #fff; position: relative; overflow: hidden;
    background: linear-gradient(150deg, #0c2050, #123a7a 55%, #0d62a6); box-shadow: var(--shadow-l);
}
.media-card::after { content: ""; position: absolute; right: -60px; bottom: -80px; width: 220px; height: 220px; border-radius: 50%; background: rgba(0, 220, 255, .28); filter: blur(60px); }
.media-eyebrow { font-size: .7rem; letter-spacing: .28em; color: #7fe0ff; }
.media-card h3 { color: #fff; margin: 6px 0 18px; font-size: 1.3rem; }
.media-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 22px; }
.media-tags li { font-size: .85rem; padding: 7px 14px; border-radius: 999px; background: rgba(255, 255, 255, .1); border: 1px solid rgba(160, 210, 255, .28); }
.media-foot { display: flex; align-items: center; gap: 8px; font-size: .85rem; color: rgba(210, 230, 255, .8); position: relative; z-index: 1; }

.value-card { padding: 32px 28px; border-radius: var(--radius-l); background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-s); transition: transform .3s var(--ease), box-shadow .3s var(--ease); }
.value-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-m); }
.value-quote { display: block; font-size: 26px; color: rgba(27, 92, 255, .35); margin-bottom: 12px; }
.value-card p { color: var(--muted); font-size: .95rem; margin: 0; }

.timeline { display: grid; gap: 0; position: relative; max-width: 900px; margin: 0 auto; }
.timeline::before { content: ""; position: absolute; left: 96px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(180deg, rgba(27, 92, 255, .45), rgba(0, 200, 255, .12)); }
.timeline-item { position: relative; display: grid; grid-template-columns: 96px 1fr; gap: 34px; padding: 20px 0; }
.timeline-item::before {
    content: ""; position: absolute; left: 91px; top: 30px; width: 12px; height: 12px; border-radius: 50%;
    background: #fff; border: 3px solid var(--brand); box-shadow: 0 0 0 4px rgba(27, 92, 255, .12);
}
.timeline-year { font-size: 1.15rem; font-weight: 800; color: var(--ink); text-align: right; padding-top: 2px; }
.timeline-body { padding: 18px 24px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-s); }
.timeline-body h3 { font-size: 1.05rem; margin-bottom: 6px; }
.timeline-body p { color: var(--muted); font-size: .93rem; margin: 0; }

.about-capability { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 60px; align-items: start; }
.about-capability p { color: var(--muted); }
.stack-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.stack-tags li { font-size: .85rem; padding: 8px 14px; border-radius: 10px; background: #fff; border: 1px solid var(--line); color: var(--ink-2); box-shadow: var(--shadow-s); }
.capability-cards { display: grid; gap: 16px; }
.capability-card { display: flex; gap: 16px; padding: 22px 24px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); transition: transform .3s var(--ease), border-color .3s var(--ease); }
.capability-card:hover { transform: translateX(6px); border-color: rgba(27, 92, 255, .3); }
.capability-icon { flex: none; width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; color: var(--brand); background: var(--grad-soft); font-size: 22px; }
.capability-card h3 { font-size: 1rem; margin-bottom: 4px; }
.capability-card p { color: var(--muted); font-size: .9rem; margin: 0; }

/* ---------- 主营业务详情 ---------- */
.service-detail-list { display: grid; gap: 34px; }
.service-detail {
    display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, .7fr); gap: 40px; padding: 40px;
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius-l); box-shadow: var(--shadow-s);
    scroll-margin-top: 100px; position: relative; overflow: hidden;
    transition: box-shadow .35s var(--ease), border-color .35s var(--ease);
}
.service-detail:hover { box-shadow: var(--shadow-m); border-color: rgba(27, 92, 255, .28); }
.service-detail.is-reverse { grid-template-columns: minmax(0, .7fr) minmax(0, 1.6fr); }
.service-detail.is-reverse .service-detail-side { order: 1; }
.service-detail.is-reverse .service-detail-main { order: 2; }
.service-detail-head { display: flex; align-items: center; gap: 18px; margin-bottom: 18px; }
.service-badge {
    flex: none; width: 58px; height: 58px; border-radius: 17px; display: grid; place-items: center; font-size: 28px;
    color: #fff; background: var(--grad); box-shadow: 0 12px 26px -12px rgba(27, 92, 255, .7);
}
.service-en { display: block; font-size: .72rem; letter-spacing: .2em; color: var(--brand); font-weight: 700; text-transform: uppercase; }
.service-detail-head h3 { margin: 2px 0 0; font-size: 1.45rem; }
.service-no { margin-left: auto; font-size: 3.4rem; font-weight: 800; line-height: 1; color: rgba(13, 32, 63, .06); letter-spacing: -.05em; }
.service-detail-desc { color: var(--muted); }
.service-items { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 22px 0; }
.service-items li { position: relative; padding: 12px 16px 12px 42px; font-size: .93rem; color: var(--ink-2); background: var(--bg-soft); border-radius: 12px; }
.service-items li::before {
    content: ""; position: absolute; left: 16px; top: 19px; width: 8px; height: 8px; border-radius: 3px; background: var(--grad); transform: rotate(45deg);
}
.service-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 24px; }
.service-tags span { font-size: .82rem; padding: 6px 14px; border-radius: 999px; color: var(--brand); background: rgba(27, 92, 255, .07); border: 1px solid rgba(27, 92, 255, .18); }
.service-detail-side { align-self: start; padding: 26px 24px; border-radius: var(--radius); background: linear-gradient(160deg, #0c2050, #10386f); color: rgba(215, 232, 255, .85); }
.service-detail-side h4 { color: #fff; font-size: .95rem; margin-bottom: 14px; letter-spacing: .04em; }
.service-detail-side ul { display: grid; gap: 10px; margin-bottom: 22px; }
.service-detail-side li { position: relative; padding-left: 18px; font-size: .88rem; }
.service-detail-side li::before { content: ""; position: absolute; left: 0; top: 11px; width: 6px; height: 6px; border-radius: 50%; background: #4be3ff; }
.side-metric { display: flex; align-items: baseline; justify-content: space-between; padding: 12px 0; border-top: 1px solid rgba(150, 200, 255, .18); font-size: .84rem; }
.side-metric strong { font-size: 1.35rem; color: #fff; }

/* ---------- 联系我们 ---------- */
.contact-wrap { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: 44px; align-items: start; }
.contact-info h2 { margin-bottom: 14px; }
.contact-info > p { color: var(--muted); }
.channel-list { display: grid; gap: 14px; margin: 26px 0; }
.channel-list li { display: flex; align-items: center; gap: 14px; padding: 16px 18px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); transition: transform .3s var(--ease), border-color .3s var(--ease); }
.channel-list li:hover { transform: translateX(5px); border-color: rgba(27, 92, 255, .3); }
.channel-icon { flex: none; width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; color: var(--brand); background: var(--grad-soft); font-size: 20px; }
.channel-list small { display: block; font-size: .76rem; color: var(--muted-2); letter-spacing: .04em; }
.channel-list a, .channel-value { font-weight: 700; color: var(--ink); font-size: .96rem; }
.channel-list a:hover { color: var(--brand); }

.qr-card { display: flex; gap: 18px; padding: 22px; border-radius: var(--radius-l); background: linear-gradient(150deg, #0c2050, #123a7a); color: rgba(215, 232, 255, .82); box-shadow: var(--shadow-l); }
.qr-box { flex: none; width: 92px; height: 92px; border-radius: 14px; display: grid; place-items: center; background: rgba(255, 255, 255, .1); color: #9fe4ff; }
.qr-box svg { width: 72px; height: 72px; }
.qr-card h3 { color: #fff; font-size: 1rem; margin-bottom: 4px; }
.qr-card p { font-size: .86rem; margin-bottom: 8px; }
.link-arrow { display: inline-flex; align-items: center; gap: 6px; font-size: .86rem; font-weight: 700; color: #7fe0ff; }

.contact-form-card { padding: 40px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-l); box-shadow: var(--shadow-m); scroll-margin-top: 90px; }
.form-head { margin-bottom: 24px; }
.form-head h2 { font-size: 1.5rem; margin-bottom: 6px; }
.form-head p { color: var(--muted); font-size: .9rem; margin: 0; }
.alert { display: flex; gap: 12px; padding: 14px 16px; border-radius: 14px; margin-bottom: 20px; font-size: .92rem; }
.alert span { font-size: 20px; }
.alert p { margin: 0; }
.alert-success { background: rgba(31, 214, 138, .1); border: 1px solid rgba(31, 214, 138, .3); color: #0f7a4d; }
.alert-error { background: rgba(255, 92, 92, .1); border: 1px solid rgba(255, 92, 92, .3); color: #b3261e; }

.form-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: .85rem; font-weight: 700; color: var(--ink-2); margin-bottom: 8px; }
.field label b { color: #e5484d; }
.field input[type="text"], .field select, .field textarea {
    width: 100%; padding: 13px 16px; font: inherit; font-size: .95rem; color: var(--ink);
    background: #fbfdff; border: 1px solid var(--line-strong); border-radius: 12px; transition: border-color .2s var(--ease), box-shadow .2s var(--ease), background .2s;
}
.field select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 20px) 22px, calc(100% - 14px) 22px; background-size: 6px 6px, 6px 6px; background-repeat: no-repeat; cursor: pointer; }
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--brand); background: #fff; box-shadow: 0 0 0 4px rgba(27, 92, 255, .12); }
.field.has-error input, .field.has-error textarea, .field.has-error select { border-color: #e5484d; background: #fff7f7; }
.tip { display: block; margin-top: 6px; font-size: .8rem; color: #c62828; }

.budget-group { border: 0; padding: 0; margin: 0 0 18px; }
.budget-group legend { font-size: .85rem; font-weight: 700; color: var(--ink-2); margin-bottom: 10px; padding: 0; }
.chip-group { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { cursor: pointer; }
.chip input { position: absolute; opacity: 0; pointer-events: none; }
.chip span { display: inline-block; padding: 9px 16px; font-size: .85rem; border-radius: 999px; border: 1px solid var(--line-strong); color: var(--muted); transition: all .2s var(--ease); }
.chip input:checked + span { color: var(--brand); border-color: var(--brand); background: rgba(27, 92, 255, .08); font-weight: 700; }
.chip:hover span { border-color: rgba(27, 92, 255, .45); color: var(--brand); }

.captcha-row { display: flex; gap: 12px; }
.captcha-row input { flex: 1; }
.captcha-q { flex: none; display: grid; place-items: center; min-width: 120px; padding: 0 20px; font-weight: 800; font-size: 1.05rem; color: var(--brand); background: var(--grad-soft); border: 1px dashed rgba(27, 92, 255, .35); border-radius: 12px; letter-spacing: .08em; }
.honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-note { margin: 16px 0 0; font-size: .82rem; color: var(--muted-2); text-align: center; }

/* ---------- CTA ---------- */
.cta-band { padding: 70px 0; position: relative; overflow: hidden; background: linear-gradient(120deg, #08173a 0%, #0d3f86 55%, #0a2b63 100%); color: rgba(215, 232, 255, .85); }
.cta-band::before {
    content: ""; position: absolute; inset: 0; background-image: radial-gradient(circle at 15% 20%, rgba(0, 220, 255, .3), transparent 45%), radial-gradient(circle at 85% 80%, rgba(27, 92, 255, .35), transparent 45%);
}
.cta-inner { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.cta-copy h2 { color: #fff; margin-bottom: 8px; }
.cta-copy p { margin: 0; max-width: 560px; }
.cta-actions { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.cta-call small { display: block; font-size: .76rem; color: rgba(190, 220, 255, .7); }
.cta-call a { font-size: 1.25rem; font-weight: 800; color: #fff; }

/* ---------- 页脚 ---------- */
.site-footer { position: relative; overflow: hidden; padding: 76px 0 26px; background: linear-gradient(160deg, #050c1c 0%, #081731 60%, #05122b 100%); color: rgba(200, 218, 245, .72); }
.footer-decor { position: absolute; inset: 0; pointer-events: none; }
.footer-decor span { position: absolute; border-radius: 50%; filter: blur(80px); }
.footer-decor span:first-child { width: 380px; height: 380px; left: -120px; top: -160px; background: rgba(27, 92, 255, .3); }
.footer-decor span:last-child { width: 420px; height: 420px; right: -140px; bottom: -220px; background: rgba(0, 200, 255, .18); }
.footer-top { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr)); gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(140, 190, 255, .14); }
.brand-light { color: #fff; }
.footer-brand p { margin: 18px 0; font-size: .92rem; max-width: 420px; }
.footer-map-link { display: inline-flex; align-items: center; gap: 8px; font-size: .9rem; color: #8fd6ff; }
.footer-map-link:hover { color: #fff; }
.footer-col h4 { color: #fff; font-size: .98rem; margin-bottom: 16px; }
.footer-list { display: grid; gap: 10px; font-size: .92rem; }
.footer-list a { color: rgba(200, 218, 245, .72); }
.footer-list a:hover { color: #8fd6ff; padding-left: 4px; }
.footer-contact { display: grid; gap: 12px; font-size: .9rem; }
.footer-contact li { display: flex; align-items: center; gap: 10px; }
.footer-contact .icon { width: 18px; height: 18px; color: #8fd6ff; flex: none; }
.footer-contact a { color: rgba(200, 218, 245, .85); }
.footer-bottom { position: relative; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 22px; font-size: .84rem; flex-wrap: wrap; }
.footer-bottom p { margin: 0; }
.footer-meta { display: flex; gap: 18px; opacity: .75; }

/* ---------- 404 ---------- */
.error-page { position: relative; overflow: hidden; padding: calc(var(--nav-h) + 120px) 0 140px; text-align: center; color: rgba(215, 232, 255, .8); background: linear-gradient(150deg, #061026, #0a1d3d); }
.error-bg span { position: absolute; border-radius: 50%; filter: blur(90px); }
.error-bg span:first-child { width: 420px; height: 420px; left: 10%; top: -100px; background: rgba(27, 92, 255, .35); }
.error-bg span:last-child { width: 380px; height: 380px; right: 8%; bottom: -140px; background: rgba(0, 200, 255, .22); }
.error-inner { position: relative; z-index: 1; }
.error-code { display: block; font-size: clamp(5rem, 3rem + 8vw, 9rem); font-weight: 900; line-height: 1; letter-spacing: -.05em; background: linear-gradient(120deg, #6fb0ff, #56f0c6); -webkit-background-clip: text; background-clip: text; color: transparent; }
.error-inner h1 { color: #fff; margin: 18px 0 10px; }
.error-inner p { max-width: 520px; margin: 0 auto 30px; }
.error-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---------- 动效 ---------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); transition-delay: var(--delay, 0ms); }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
    * { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
    .reveal { opacity: 1; transform: none; }
}

@keyframes float { from { transform: translate3d(0, 0, 0); } to { transform: translate3d(40px, 30px, 0); } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse { 70% { box-shadow: 0 0 0 8px rgba(38, 229, 163, 0); } 100% { box-shadow: 0 0 0 0 rgba(38, 229, 163, 0); } }
@keyframes growBar { from { transform: scaleX(0); transform-origin: left; } to { transform: scaleX(1); transform-origin: left; } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: none; } }
.hero-copy, .hero-panel { animation: fadeUp .9s var(--ease) both; }
.hero-panel { animation-delay: .15s; }
.reveal.is-visible { animation: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 1180px) {
    .grid-5 { grid-template-columns: repeat(3, 1fr); }
    .process-list { grid-template-columns: repeat(2, 1fr); gap: 18px; }
    .process-item:not(:last-child)::after { display: none; }
}
@media (max-width: 1024px) {
    .nav-toggle { display: block; }
    .nav {
        position: fixed; inset: var(--nav-h) 0 auto; flex-direction: column; align-items: stretch; gap: 0;
        padding: 18px 24px 26px; background: rgba(255, 255, 255, .97); backdrop-filter: blur(14px);
        border-bottom: 1px solid var(--line); box-shadow: var(--shadow-m);
        transform: translateY(-12px); opacity: 0; pointer-events: none; transition: opacity .25s var(--ease), transform .25s var(--ease);
    }
    .nav.is-open { opacity: 1; transform: none; pointer-events: auto; }
    .nav ul { flex-direction: column; align-items: stretch; gap: 0; }
    .nav-link { display: block; padding: 14px 0; border-bottom: 1px solid var(--line); color: var(--ink-2) !important; }
    .site-header .nav-link.is-active { color: var(--brand) !important; }
    .nav-link::after { left: 0; transform: none; bottom: 8px; }
    .header-cta { margin-top: 18px; justify-content: center; }
    .hero-inner { grid-template-columns: 1fr; gap: 44px; }
    .hero-panel { max-width: 520px; }
    .stat-bar { grid-template-columns: repeat(2, 1fr); }
    .stat-bar li:nth-child(2n) { border-right: 0; }
    .stat-bar li:nth-child(-n+2) { border-bottom: 1px solid rgba(140, 200, 255, .16); }
    .advantage-wrap, .faq-wrap, .about-intro, .about-capability, .contact-wrap { grid-template-columns: 1fr; gap: 36px; }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .service-detail, .service-detail.is-reverse { grid-template-columns: 1fr; gap: 24px; }
    .service-detail.is-reverse .service-detail-side { order: 0; }
    .service-detail.is-reverse .service-detail-main { order: 0; }
    .footer-top { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .section { padding: 72px 0; }
    .section-head { margin-bottom: 40px; }
    .grid-3, .grid-5, .advantage-grid, .grid-4 { grid-template-columns: 1fr; }
    .service-items, .form-row { grid-template-columns: 1fr; }
    .hero { padding-top: calc(var(--nav-h) + 60px); }
    .hero-panel { display: none; }
    .stat-bar { margin-top: 44px; }
    .timeline::before { left: 8px; }
    .timeline-item { grid-template-columns: 1fr; gap: 8px; padding-left: 34px; }
    .timeline-item::before { left: 3px; top: 24px; }
    .timeline-year { text-align: left; }
    .contact-form-card { padding: 26px 20px; }
    .contact-info .qr-card { flex-direction: column; }
    .cta-inner { flex-direction: column; align-items: flex-start; }
    .footer-top { grid-template-columns: 1fr; gap: 30px; }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 520px) {
    .container { width: calc(100% - 32px); }
    .grid-5 { grid-template-columns: 1fr; }
    .service-detail { padding: 26px 20px; }
    .captcha-row { flex-direction: column; }
    .hero-actions .btn { width: 100%; justify-content: center; }
}