@charset "UTF-8";
/* ==========================================================================
   智眸科技 · 视觉系统 v1.0
   设计基调：深空蓝 × 科技青，克制的层次、精确的间距、细腻的动效
   ========================================================================== */

/* ---------------------------------------------------------------- 1. 设计令牌 */
:root {
    /* 墨色 / 中性 */
    --ink-950: #05090F;
    --ink-900: #0A0F1C;
    --ink-850: #0E1526;
    --ink-800: #131C31;
    --ink-700: #1D2A45;
    --ink-600: #33415C;
    --ink-500: #4A5A78;
    --ink-400: #6B7B97;
    --ink-300: #98A5BC;
    --ink-200: #C6CEDD;
    --ink-150: #DDE3ED;
    --ink-100: #EDF1F7;
    --ink-50:  #F6F8FC;
    --white:   #FFFFFF;

    /* 品牌青 */
    --brand-700: #0E7490;
    --brand-600: #0891B2;
    --brand-500: #06B6D4;
    --brand-400: #22D3EE;
    --brand-300: #67E8F9;
    --brand-100: #CFFAFE;
    --brand-50:  #ECFEFF;

    /* 辅助：靛蓝（渐变搭子） */
    --indigo-600: #4F46E5;
    --indigo-500: #6366F1;
    --indigo-100: #E0E7FF;

    /* 语义色 */
    --success: #059669;
    --success-bg: #ECFDF5;
    --warning: #D97706;
    --warning-bg: #FFFBEB;
    --danger: #DC2626;
    --danger-bg: #FEF2F2;

    /* 语义映射 */
    --text:        var(--ink-800);
    --text-strong: var(--ink-900);
    --text-muted:  var(--ink-500);
    --text-soft:   var(--ink-400);
    --bg:          var(--white);
    --bg-soft:     var(--ink-50);
    --bg-mute:     var(--ink-100);
    --line:        #E4E9F2;
    --line-soft:   #EFF3F9;
    --line-strong: #D3DBE8;

    /* 渐变 */
    --grad-brand: linear-gradient(135deg, var(--brand-500) 0%, var(--indigo-500) 100%);
    --grad-brand-soft: linear-gradient(135deg, rgba(6,182,212,.12) 0%, rgba(99,102,241,.12) 100%);
    --grad-dark: linear-gradient(160deg, #0A0F1C 0%, #101A2E 55%, #0C1526 100%);
    --grad-text: linear-gradient(100deg, #06B6D4 0%, #22D3EE 40%, #6366F1 100%);

    /* 圆角 */
    --r-xs: 6px;
    --r-sm: 10px;
    --r:    14px;
    --r-md: 18px;
    --r-lg: 24px;
    --r-xl: 32px;
    --r-2xl: 40px;
    --r-full: 999px;

    /* 阴影 */
    --sh-xs: 0 1px 2px rgba(16,24,40,.05);
    --sh-sm: 0 1px 3px rgba(16,24,40,.07), 0 1px 2px rgba(16,24,40,.04);
    --sh:    0 4px 16px -2px rgba(16,24,40,.07), 0 2px 6px -2px rgba(16,24,40,.04);
    --sh-md: 0 12px 32px -8px rgba(16,24,40,.12), 0 4px 12px -4px rgba(16,24,40,.06);
    --sh-lg: 0 28px 60px -18px rgba(16,24,40,.18), 0 8px 24px -8px rgba(16,24,40,.08);
    --sh-brand: 0 12px 32px -10px rgba(6,182,212,.42);
    --sh-dark: 0 32px 72px -24px rgba(5,9,15,.55);

    /* 动效 */
    --ease: cubic-bezier(.22,.61,.36,1);
    --ease-out: cubic-bezier(.16,1,.3,1);
    --dur: .34s;

    /* 布局 */
    --container: 1240px;
    --gutter: 24px;
    --header-h: 72px;

    /* 字体 */
    --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
                 "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC",
                 "Helvetica Neue", Arial, sans-serif;
    --font-mono: "SF Mono", "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;
}

/* ---------------------------------------------------------------- 2. 重置 */
*, *::before, *::after { box-sizing: border-box; }

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-h) + 20px);
}

body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.75;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: "kern" 1;
    overflow-x: hidden;
}

body.no-scroll { overflow: hidden; }

h1, h2, h3, h4, h5, h6 {
    margin: 0 0 .6em;
    color: var(--text-strong);
    font-weight: 700;
    line-height: 1.24;
    letter-spacing: -.02em;
}
h1 { font-size: clamp(2rem, 4.4vw, 3.4rem); font-weight: 800; letter-spacing: -.035em; }
h2 { font-size: clamp(1.55rem, 2.9vw, 2.35rem); letter-spacing: -.028em; }
h3 { font-size: clamp(1.2rem, 1.8vw, 1.5rem); }
h4 { font-size: 1.125rem; }
h5 { font-size: 1rem; }

p { margin: 0 0 1.1em; }
p:last-child { margin-bottom: 0; }

a { color: var(--brand-700); text-decoration: none; transition: color var(--dur) var(--ease); }
a:hover { color: var(--brand-600); }

img, svg, video { max-width: 100%; height: auto; display: block; }
img { background-color: var(--ink-100); }

ul, ol { margin: 0 0 1.1em; padding-left: 1.35em; }
li { margin-bottom: .45em; }
li:last-child { margin-bottom: 0; }

strong, b { font-weight: 700; color: var(--text-strong); }
em { font-style: normal; color: var(--danger); font-weight: 600; }

hr { border: 0; border-top: 1px solid var(--line); margin: 2rem 0; }

button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; }

::selection { background: var(--brand-200, #A5F3FC); color: var(--ink-900); }

:focus-visible {
    outline: 2px solid var(--brand-500);
    outline-offset: 2px;
    border-radius: 4px;
}

.icon { flex: none; display: inline-block; vertical-align: middle; }

.skip-link {
    position: absolute; left: -9999px; top: 0; z-index: 999;
    padding: 12px 20px; background: var(--ink-900); color: #fff; border-radius: 0 0 var(--r-sm) 0;
}
.skip-link:focus { left: 0; color: #fff; }

/* 滚动进度条 */
.scroll-progress {
    position: fixed; top: 0; left: 0; z-index: 999;
    height: 2px; width: 0;
    background: var(--grad-brand);
    transition: width .1s linear;
}

/* ---------------------------------------------------------------- 3. 布局 */
.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding-left: var(--gutter);
    padding-right: var(--gutter);
}

.section { padding: clamp(64px, 8vw, 112px) 0; position: relative; }
.section-sm { padding: clamp(44px, 5vw, 68px) 0; }
.section-tight { padding: clamp(40px, 4.5vw, 60px) 0; }
.bg-soft { background: var(--bg-soft); }
.bg-mute { background: var(--bg-mute); }
.bg-grid {
    background-image:
        linear-gradient(rgba(19,28,49,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(19,28,49,.035) 1px, transparent 1px);
    background-size: 56px 56px;
}

.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
.grid-auto { grid-template-columns: repeat(auto-fit, minmax(268px, 1fr)); }

.split { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: clamp(32px, 5vw, 72px); align-items: center; }

/* ---------------------------------------------------------------- 4. 区块标题 */
.section-head { max-width: 760px; margin-bottom: clamp(36px, 4.5vw, 56px); }
.section-head.is-center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head.is-center .section-desc { margin-left: auto; margin-right: auto; }

.eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    margin: 0 0 16px;
    padding: 7px 15px 7px 11px;
    font-size: .8125rem;
    font-weight: 600;
    letter-spacing: .04em;
    color: var(--brand-700);
    background: var(--brand-50);
    border: 1px solid rgba(6,182,212,.22);
    border-radius: var(--r-full);
}
.eyebrow.on-dark {
    color: var(--brand-300);
    background: rgba(6,182,212,.1);
    border-color: rgba(34,211,238,.24);
}
.eyebrow .icon { color: var(--brand-500); }

.section-title { margin: 0 0 18px; }
.section-title .hl { color: var(--brand-600); }
.section-desc { font-size: 1.0625rem; color: var(--text-muted); max-width: 680px; line-height: 1.8; }

.title-rule {
    display: block; width: 44px; height: 3px; margin: 0 0 20px;
    background: var(--grad-brand); border-radius: 2px;
}
.is-center .title-rule { margin-left: auto; margin-right: auto; }

/* ---------------------------------------------------------------- 5. 按钮 */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 9px;
    padding: 13px 24px;
    font-size: .9375rem;
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: .005em;
    border-radius: var(--r-full);
    border: 1px solid transparent;
    cursor: pointer;
    white-space: nowrap;
    text-decoration: none;
    transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
                background-color var(--dur) var(--ease), color var(--dur) var(--ease),
                border-color var(--dur) var(--ease);
}
.btn:active { transform: translateY(1px) scale(.99); }
.btn .icon { transition: transform var(--dur) var(--ease); }
.btn:hover .icon { transform: translateX(2px); }

.btn-primary {
    background: var(--ink-900);
    color: #fff;
    box-shadow: 0 6px 18px -6px rgba(10,15,28,.42);
}
.btn-primary:hover { background: var(--ink-850); color: #fff; transform: translateY(-2px); box-shadow: 0 14px 30px -10px rgba(10,15,28,.5); }

.btn-brand {
    background: var(--grad-brand);
    color: #fff;
    box-shadow: var(--sh-brand);
}
.btn-brand:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 18px 40px -12px rgba(6,182,212,.55); }

.btn-outline {
    background: transparent; color: var(--ink-800); border-color: var(--line-strong);
}
.btn-outline:hover { border-color: var(--ink-700); color: var(--ink-900); background: var(--bg-soft); transform: translateY(-2px); }

.btn-ghost { background: var(--bg-soft); color: var(--ink-700); border-color: var(--line); }
.btn-ghost:hover { background: var(--ink-100); color: var(--ink-900); }

.btn-glass {
    background: rgba(255,255,255,.08);
    color: #fff;
    border-color: rgba(255,255,255,.18);
    backdrop-filter: blur(10px);
}
.btn-glass:hover { background: rgba(255,255,255,.15); color: #fff; transform: translateY(-2px); }

.btn-white { background: #fff; color: var(--ink-900); box-shadow: var(--sh-md); }
.btn-white:hover { color: var(--ink-900); transform: translateY(-2px); }

.btn-sm { padding: 9px 17px; font-size: .875rem; gap: 7px; }
.btn-lg { padding: 17px 34px; font-size: 1rem; }
.btn-block { width: 100%; }
.btn-xs { padding: 6px 12px; font-size: .8125rem; }

.btn-link {
    display: inline-flex; align-items: center; gap: 7px;
    font-weight: 600; font-size: .9375rem; color: var(--brand-700);
    padding: 0; background: none;
}
.btn-link:hover { color: var(--brand-600); gap: 11px; }

.icon-btn {
    display: inline-flex; align-items: center; justify-content: center;
    width: 40px; height: 40px; border-radius: var(--r-full);
    color: var(--ink-700);
    transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.icon-btn:hover { background: var(--ink-100); color: var(--ink-900); }

/* ---------------------------------------------------------------- 6. 徽章 / 标签 */
.badge {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 4px 11px;
    font-size: .75rem; font-weight: 600; letter-spacing: .02em;
    border-radius: var(--r-full);
    background: var(--brand-50); color: var(--brand-700);
    border: 1px solid rgba(6,182,212,.2);
}
.badge-dark { background: var(--ink-900); color: #fff; border-color: transparent; }
.badge-soft { background: var(--ink-100); color: var(--ink-600); border-color: transparent; }
.badge-success { background: var(--success-bg); color: var(--success); border-color: rgba(5,150,105,.2); }
.badge-warn { background: var(--warning-bg); color: var(--warning); border-color: rgba(217,119,6,.2); }
.badge-danger { background: var(--danger-bg); color: var(--danger); border-color: rgba(220,38,38,.2); }

.chip {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 7px 15px; font-size: .875rem; font-weight: 500;
    color: var(--ink-600); background: #fff;
    border: 1px solid var(--line); border-radius: var(--r-full);
    transition: all var(--dur) var(--ease);
}
.chip:hover { border-color: var(--brand-400); color: var(--brand-700); background: var(--brand-50); }
.chip.is-active { background: var(--ink-900); color: #fff; border-color: var(--ink-900); }

/* ---------------------------------------------------------------- 7. 顶部信息条 */
.topbar {
    background: var(--ink-900);
    color: rgba(255,255,255,.72);
    font-size: .8125rem;
    position: relative;
    z-index: 60;
}
.topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 40px; }
.topbar-left, .topbar-right { display: flex; align-items: center; gap: 22px; min-width: 0; }
.topbar-item { display: inline-flex; align-items: center; gap: 7px; color: inherit; white-space: nowrap; }
.topbar-item .icon { color: var(--brand-400); }
a.topbar-item:hover { color: #fff; }
.topbar-phone { color: #fff; font-weight: 600; letter-spacing: .01em; }

/* ---------------------------------------------------------------- 8. 主导航 */
.site-header {
    position: sticky; top: 0; z-index: 50;
    background: rgba(255,255,255,.88);
    backdrop-filter: saturate(180%) blur(16px);
    -webkit-backdrop-filter: saturate(180%) blur(16px);
    border-bottom: 1px solid var(--line-soft);
    transition: box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.site-header.is-stuck { box-shadow: 0 1px 24px -8px rgba(16,24,40,.14); border-color: transparent; }

.header-inner { display: flex; align-items: center; gap: 20px; height: var(--header-h); }

.brand { display: inline-flex; align-items: center; gap: 11px; flex: none; color: var(--ink-900); }
.brand:hover { color: var(--ink-900); }
.brand-mark { color: var(--brand-500); flex: none; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text strong { font-size: 1.1875rem; font-weight: 800; letter-spacing: -.03em; color: var(--ink-900); }
.brand-text small { font-size: .625rem; font-weight: 600; letter-spacing: .18em; color: var(--ink-400); text-transform: uppercase; }

.main-nav { flex: 1; display: flex; justify-content: center; }
.nav-list { display: flex; align-items: center; gap: 2px; margin: 0; padding: 0; list-style: none; }
.nav-item { position: relative; margin: 0; }
.nav-link {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 10px 15px;
    font-size: .9375rem; font-weight: 600; color: var(--ink-700);
    border-radius: var(--r-sm);
    transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease);
    white-space: nowrap;
}
.nav-link:hover { color: var(--ink-900); background: var(--ink-50); }
.nav-item.is-active > .nav-link { color: var(--brand-700); }
.nav-item.is-active > .nav-link::after {
    content: ""; position: absolute; left: 15px; right: 15px; bottom: 3px;
    height: 2px; border-radius: 1px; background: var(--grad-brand);
}
.nav-caret { transition: transform var(--dur) var(--ease); opacity: .6; }
.nav-item.has-mega:hover .nav-caret { transform: rotate(180deg); }

/* Mega 菜单 */
.mega {
    position: absolute; top: 100%; left: 50%;
    transform: translate(-50%, 10px);
    width: min(880px, calc(100vw - 40px));
    padding-top: 12px;
    opacity: 0; visibility: hidden; pointer-events: none;
    transition: opacity .26s var(--ease), transform .26s var(--ease), visibility .26s;
    z-index: 40;
}
.nav-item.has-mega:hover .mega,
.nav-item.has-mega:focus-within .mega { opacity: 1; visibility: visible; pointer-events: auto; transform: translate(-50%, 0); }

.mega-inner {
    display: grid; grid-template-columns: minmax(0,1fr) 268px; gap: 26px;
    padding: 26px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    box-shadow: var(--sh-lg);
}
.mega-list { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 4px; margin: 0; padding: 0; list-style: none; }
.mega-list li { margin: 0; }
.mega-list a { display: block; padding: 10px 12px; border-radius: var(--r-sm); transition: background-color var(--dur) var(--ease); }
.mega-list a:hover { background: var(--brand-50); }
.mega-title { display: flex; align-items: center; gap: 5px; font-size: .9375rem; font-weight: 600; color: var(--ink-800); }
.mega-title .icon { opacity: 0; transform: translateX(-3px); transition: all var(--dur) var(--ease); color: var(--brand-500); }
.mega-list a:hover .mega-title { color: var(--brand-700); }
.mega-list a:hover .mega-title .icon { opacity: 1; transform: translateX(0); }
.mega-desc { display: block; margin-top: 2px; font-size: .8125rem; color: var(--ink-400); line-height: 1.5; }

.mega-aside {
    padding: 22px;
    background: var(--grad-dark);
    border-radius: var(--r-md);
    color: rgba(255,255,255,.72);
}
.mega-aside-title { font-size: 1rem; font-weight: 700; color: #fff; margin-bottom: 8px; }
.mega-aside-text { font-size: .8125rem; line-height: 1.7; margin-bottom: 16px; }
.mega-aside .btn { color: #fff; }
.mega-aside .btn-brand { background: var(--grad-brand); }
.mega-aside-phone {
    display: flex; align-items: center; gap: 8px; margin-top: 14px;
    font-size: .9375rem; font-weight: 700; color: var(--brand-300); letter-spacing: .01em;
}
.mega-aside-phone:hover { color: var(--brand-200, #A5F3FC); }

.header-actions { display: flex; align-items: center; gap: 8px; flex: none; }
.header-cta { display: none; }

.nav-toggle { display: none; }
.nav-toggle-bars { display: flex; flex-direction: column; gap: 5px; width: 20px; }
.nav-toggle-bars i { display: block; height: 2px; width: 100%; background: var(--ink-800); border-radius: 2px; transition: all .3s var(--ease); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------------------------------------------------------------- 9. 移动端抽屉 */
.drawer {
    position: fixed; top: 0; right: 0; bottom: 0; z-index: 100;
    width: min(400px, 88vw);
    background: #fff;
    box-shadow: var(--sh-lg);
    display: flex; flex-direction: column;
    transform: translateX(100%);
    transition: transform .36s var(--ease-out);
    overflow: hidden;
}
.drawer.is-open { transform: translateX(0); }
.drawer-head {
    display: flex; align-items: center; justify-content: space-between;
    padding: 18px 20px; border-bottom: 1px solid var(--line-soft); flex: none;
}
.drawer-title { font-weight: 700; color: var(--ink-900); }
.drawer-body { padding: 12px 20px 28px; overflow-y: auto; flex: 1; }
.drawer-list { list-style: none; margin: 0; padding: 0; }
.drawer-list > li { margin: 0; border-bottom: 1px solid var(--line-soft); }
.drawer-row { display: flex; align-items: center; justify-content: space-between; }
.drawer-row > a { flex: 1; padding: 14px 0; font-size: 1rem; font-weight: 600; color: var(--ink-800); }
.drawer-expand { padding: 14px 6px 14px 14px; color: var(--ink-400); }
.drawer-expand .icon { transition: transform var(--dur) var(--ease); }
.drawer-list > li.is-open .drawer-expand .icon { transform: rotate(180deg); }
.drawer-sub { list-style: none; margin: 0; padding: 0 0 12px; display: none; }
.drawer-list > li.is-open .drawer-sub { display: block; }
.drawer-sub a { display: block; padding: 8px 12px; font-size: .9375rem; color: var(--ink-600); border-left: 2px solid var(--line); }
.drawer-sub a:hover { color: var(--brand-700); border-left-color: var(--brand-500); }
.drawer-contact { margin-top: 24px; display: grid; gap: 10px; }
.drawer-mask {
    position: fixed; inset: 0; z-index: 99;
    background: rgba(8,12,20,.42);
    backdrop-filter: blur(2px);
    opacity: 0; visibility: hidden; pointer-events: none;
    transition: opacity .3s var(--ease), visibility .3s var(--ease);
}
.drawer-mask.is-open { opacity: 1; visibility: visible; pointer-events: auto; }

/* ---------------------------------------------------------------- 10. 搜索浮层 */
.search-modal {
    position: fixed; inset: 0; z-index: 110;
    background: rgba(8,12,20,.55);
    backdrop-filter: blur(10px);
    display: flex; align-items: flex-start; justify-content: center;
    padding: 12vh 20px 20px;
    opacity: 0; visibility: hidden; pointer-events: none;
    transition: opacity .28s var(--ease), visibility .28s var(--ease);
}
.search-modal.is-open { opacity: 1; visibility: visible; pointer-events: auto; }
.search-modal-inner {
    position: relative;
    width: min(680px, 100%);
    padding: 36px;
    background: #fff;
    border-radius: var(--r-lg);
    box-shadow: var(--sh-lg);
    transform: translateY(-14px) scale(.98);
    transition: transform .34s var(--ease-out);
}
.search-modal.is-open .search-modal-inner { transform: translateY(0) scale(1); }
.search-close { position: absolute; top: 14px; right: 14px; }
.search-modal-label { font-size: .8125rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-400); margin-bottom: 14px; }
.search-form-lg { display: flex; gap: 10px; }
.search-form-lg input {
    flex: 1; min-width: 0;
    padding: 15px 18px;
    font-size: 1rem;
    background: var(--bg-soft);
    border: 1px solid var(--line);
    border-radius: var(--r-full);
    transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.search-form-lg input:focus { outline: none; border-color: var(--brand-400); box-shadow: 0 0 0 4px rgba(6,182,212,.12); }
.search-hot { margin-top: 20px; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.search-hot-label { font-size: .8125rem; font-weight: 600; color: var(--ink-400); margin-right: 4px; }
.search-hot a { padding: 6px 13px; font-size: .8125rem; color: var(--ink-600); background: var(--bg-soft); border-radius: var(--r-full); }
.search-hot a:hover { background: var(--brand-50); color: var(--brand-700); }

/* ==========================================================================
   PART 2 — 首页与核心组件
   ========================================================================== */

/* ---------------------------------------------------------------- 11. 首页 Hero */
.hero {
    position: relative;
    padding: clamp(56px, 7vw, 92px) 0 clamp(80px, 9vw, 120px);
    background: var(--grad-dark);
    color: rgba(255,255,255,.76);
    overflow: hidden;
    isolation: isolate;
}
.hero-bg { position: absolute; inset: 0; z-index: -1; overflow: hidden; }
.hero-grid {
    position: absolute; inset: -10% -10% 0;
    background-image:
        linear-gradient(rgba(103,232,249,.055) 1px, transparent 1px),
        linear-gradient(90deg, rgba(103,232,249,.055) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 78%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 30%, transparent 78%);
}
.hero-orb { position: absolute; border-radius: 50%; filter: blur(90px); opacity: .5; }
.hero-orb-1 { width: 520px; height: 520px; top: -180px; right: -100px; background: radial-gradient(circle, rgba(6,182,212,.55), transparent 68%); }
.hero-orb-2 { width: 460px; height: 460px; bottom: -200px; left: -120px; background: radial-gradient(circle, rgba(99,102,241,.45), transparent 68%); }
.hero-orb-3 { width: 300px; height: 300px; top: 40%; left: 42%; background: radial-gradient(circle, rgba(34,211,238,.28), transparent 70%); }

.hero-inner {
    display: grid;
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
    gap: clamp(36px, 5vw, 68px);
    align-items: center;
}

.hero-copy { max-width: 620px; }
.hero h1 {
    color: #fff; margin: 0 0 22px;
    font-size: clamp(2.2rem, 4.6vw, 3.6rem);
    line-height: 1.12;
    letter-spacing: -.038em;
}
.grad-text {
    background: var(--grad-text);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}
.hero-lead {
    font-size: clamp(1rem, 1.15vw, 1.15rem);
    line-height: 1.82;
    color: rgba(255,255,255,.72);
    max-width: 560px;
    margin-bottom: 32px;
}
.hero-lead strong { color: #fff; font-weight: 600; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 34px; }

.hero-trust {
    display: flex; flex-wrap: wrap; gap: 10px 26px;
    list-style: none; margin: 0; padding: 0;
    font-size: .875rem; color: rgba(255,255,255,.6);
}
.hero-trust li { display: flex; align-items: center; gap: 7px; margin: 0; }
.hero-trust .icon { color: var(--brand-400); }

/* 数据条 */
.hero-stats {
    display: grid; grid-template-columns: repeat(4, minmax(0,1fr));
    gap: 1px;
    margin-top: clamp(44px, 5vw, 68px);
    background: rgba(255,255,255,.08);
    border: 1px solid rgba(255,255,255,.1);
    border-radius: var(--r-lg);
    overflow: hidden;
}
.hero-stat { padding: 26px 24px; background: rgba(10,15,28,.55); backdrop-filter: blur(8px); }
.hero-stat-value { display: flex; align-items: baseline; gap: 3px; }
.hero-stat-value b {
    font-size: clamp(1.6rem, 2.6vw, 2.2rem);
    font-weight: 800; color: #fff; letter-spacing: -.03em;
    font-variant-numeric: tabular-nums;
    line-height: 1.1;
}
.hero-stat-value i { font-style: normal; font-size: 1rem; font-weight: 700; color: var(--brand-400); }
.hero-stat-label { margin-top: 6px; font-size: .875rem; color: rgba(255,255,255,.55); }

/* AI 控制台视觉 */
.hero-visual { position: relative; }
.console {
    position: relative;
    border-radius: var(--r-lg);
    background: linear-gradient(165deg, #101A2E 0%, #0B1424 100%);
    border: 1px solid rgba(103,232,249,.14);
    box-shadow: var(--sh-dark), 0 0 0 1px rgba(255,255,255,.03) inset;
    overflow: hidden;
}
.console::after {
    content: ""; position: absolute; inset: 0; pointer-events: none;
    background: linear-gradient(180deg, rgba(6,182,212,.06), transparent 30%);
}
.console-bar {
    display: flex; align-items: center; gap: 8px;
    padding: 13px 16px;
    border-bottom: 1px solid rgba(255,255,255,.07);
    background: rgba(255,255,255,.02);
}
.console-dot { width: 9px; height: 9px; border-radius: 50%; background: rgba(255,255,255,.16); }
.console-dot:nth-child(1) { background: rgba(248,113,113,.6); }
.console-dot:nth-child(2) { background: rgba(251,191,36,.6); }
.console-dot:nth-child(3) { background: rgba(52,211,153,.6); }
.console-title { margin-left: 8px; font-size: .75rem; font-weight: 600; color: rgba(255,255,255,.5); letter-spacing: .06em; }
.console-live {
    margin-left: auto; display: inline-flex; align-items: center; gap: 6px;
    font-size: .6875rem; font-weight: 700; letter-spacing: .1em;
    color: #34D399;
}
.console-live::before {
    content: ""; width: 6px; height: 6px; border-radius: 50%; background: #34D399;
    box-shadow: 0 0 0 0 rgba(52,211,153,.6);
    animation: pulse-dot 1.8s infinite;
}
@keyframes pulse-dot {
    0% { box-shadow: 0 0 0 0 rgba(52,211,153,.5); }
    70% { box-shadow: 0 0 0 7px rgba(52,211,153,0); }
    100% { box-shadow: 0 0 0 0 rgba(52,211,153,0); }
}

.console-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 12px; }
.cam {
    position: relative;
    aspect-ratio: 16 / 10;
    border-radius: var(--r-sm);
    overflow: hidden;
    background: #0A1220;
    border: 1px solid rgba(255,255,255,.06);
}
.cam-scene { position: absolute; inset: 0; }
.cam-scene svg { width: 100%; height: 100%; display: block; }
.cam-scan {
    position: absolute; inset: 0; pointer-events: none;
    background: repeating-linear-gradient(0deg, rgba(255,255,255,.03) 0 1px, transparent 1px 3px);
    mix-blend-mode: overlay;
}
.cam::after {
    content: ""; position: absolute; inset: 0; pointer-events: none;
    background: radial-gradient(ellipse at 50% 45%, transparent 45%, rgba(5,9,15,.55) 100%);
}
.cam-meta {
    position: absolute; left: 8px; top: 8px; right: 8px;
    display: flex; align-items: center; gap: 6px;
    font-size: .625rem; font-weight: 600; color: rgba(255,255,255,.62);
    letter-spacing: .04em; z-index: 2;
}
.cam-meta::before { content: "●"; color: #34D399; font-size: .5rem; }
.cam-time { margin-left: auto; font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

.detect {
    position: absolute;
    border: 1.5px solid var(--brand-400);
    border-radius: 4px;
    box-shadow: 0 0 0 1px rgba(6,182,212,.25), 0 0 18px rgba(6,182,212,.25) inset;
    z-index: 3;
}
.detect::before {
    content: attr(data-label);
    position: absolute; left: -1.5px; top: -19px;
    padding: 2px 7px;
    font-size: .5625rem; font-weight: 700; letter-spacing: .04em;
    color: #04141A; background: var(--brand-400);
    border-radius: 3px 3px 0 0;
    white-space: nowrap;
}
.detect.is-alert { border-color: #F87171; box-shadow: 0 0 0 1px rgba(248,113,113,.3), 0 0 22px rgba(248,113,113,.3) inset; }
.detect.is-alert::before { background: #F87171; color: #2A0808; }
.detect-pulse { animation: detect-blink 2.4s var(--ease) infinite; }
@keyframes detect-blink {
    0%, 100% { opacity: 1; }
    50% { opacity: .55; }
}

.console-log {
    padding: 10px 14px 14px;
    border-top: 1px solid rgba(255,255,255,.07);
    display: grid; gap: 6px;
}
.log-row {
    display: flex; align-items: center; gap: 9px;
    padding: 8px 11px;
    font-size: .75rem;
    border-radius: var(--r-xs);
    background: rgba(255,255,255,.035);
    color: rgba(255,255,255,.62);
}
.log-tag {
    flex: none; padding: 2px 7px; border-radius: 3px;
    font-size: .625rem; font-weight: 700; letter-spacing: .04em;
    background: rgba(248,113,113,.16); color: #FCA5A5;
}
.log-tag.is-ok { background: rgba(52,211,153,.14); color: #6EE7B7; }
.log-tag.is-info { background: rgba(6,182,212,.16); color: var(--brand-300); }
.log-text { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.log-time { margin-left: auto; flex: none; font-family: var(--font-mono); font-size: .6875rem; color: rgba(255,255,255,.32); }

.console-float {
    position: absolute; right: -18px; bottom: 46px;
    padding: 14px 18px;
    background: #fff;
    border-radius: var(--r-md);
    box-shadow: var(--sh-lg);
    display: flex; align-items: center; gap: 12px;
    animation: float-y 5.5s ease-in-out infinite;
}
@keyframes float-y {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}
.console-float-icon {
    width: 42px; height: 42px; border-radius: var(--r-sm);
    display: grid; place-items: center;
    background: var(--brand-50); color: var(--brand-600);
}
.console-float-body b { display: block; font-size: 1.125rem; font-weight: 800; color: var(--ink-900); line-height: 1.2; font-variant-numeric: tabular-nums; }
.console-float-body span { font-size: .75rem; color: var(--ink-400); }

/* ---------------------------------------------------------------- 12. 信任条 / 合作伙伴 */
.trust-bar { padding: 30px 0; border-bottom: 1px solid var(--line-soft); background: #fff; }
.trust-inner { display: flex; align-items: center; gap: 32px; }
.trust-label {
    flex: none; font-size: .8125rem; font-weight: 600; color: var(--ink-400);
    padding-right: 32px; border-right: 1px solid var(--line);
    line-height: 1.5;
}
.marquee { flex: 1; overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee-track { display: flex; gap: 44px; width: max-content; animation: marquee 38s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.marquee-item {
    display: inline-flex; align-items: center; gap: 9px;
    font-size: 1rem; font-weight: 700; color: var(--ink-300);
    letter-spacing: -.01em; white-space: nowrap;
    transition: color var(--dur) var(--ease);
}
.marquee-item:hover { color: var(--ink-600); }
.marquee-item .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--brand-300); }

/* ---------------------------------------------------------------- 13. 服务卡片 */
.service-card {
    position: relative;
    display: flex; flex-direction: column;
    padding: 30px 28px 26px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    overflow: hidden;
    transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.service-card::before {
    content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px;
    background: var(--grad-brand);
    transform: scaleX(0); transform-origin: left;
    transition: transform .44s var(--ease-out);
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--sh-lg); border-color: transparent; }
.service-card:hover::before { transform: scaleX(1); }

.service-icon {
    width: 52px; height: 52px; margin-bottom: 20px;
    display: grid; place-items: center;
    border-radius: var(--r-md);
    background: var(--brand-50);
    color: var(--brand-600);
    transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.service-card:hover .service-icon { background: var(--grad-brand); color: #fff; transform: scale(1.06) rotate(-3deg); }

.service-card h3 { font-size: 1.1875rem; margin-bottom: 10px; }
.service-card h3 a { color: var(--ink-900); }
.service-card h3 a:hover { color: var(--brand-700); }
.service-card p { font-size: .9375rem; color: var(--text-muted); line-height: 1.75; margin-bottom: 20px; }

.service-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.service-foot {
    margin-top: auto; padding-top: 18px;
    border-top: 1px solid var(--line-soft);
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.service-price { font-size: .875rem; color: var(--ink-400); }
.service-price b { display: block; font-size: 1rem; color: var(--brand-700); font-weight: 700; }

/* ---------------------------------------------------------------- 14. 行业方案卡片 */
.solution-card {
    position: relative;
    display: block;
    padding: 32px 30px;
    border-radius: var(--r-lg);
    background: #fff;
    border: 1px solid var(--line);
    overflow: hidden;
    isolation: isolate;
    transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.solution-card::after {
    content: ""; position: absolute; right: -60px; bottom: -60px; z-index: -1;
    width: 180px; height: 180px; border-radius: 50%;
    background: var(--grad-brand-soft);
    opacity: 0; transition: opacity .44s var(--ease), transform .44s var(--ease);
}
.solution-card:hover { transform: translateY(-6px); box-shadow: var(--sh-lg); border-color: transparent; }
.solution-card:hover::after { opacity: 1; transform: scale(1.35); }
.solution-card .service-icon { margin-bottom: 22px; }
.solution-card h3 { font-size: 1.25rem; color: var(--ink-900); margin-bottom: 8px; }
.solution-card .solution-industry { font-size: .8125rem; font-weight: 600; color: var(--brand-600); letter-spacing: .02em; margin-bottom: 14px; }
.solution-card p { font-size: .9375rem; color: var(--text-muted); line-height: 1.78; margin-bottom: 20px; }
.solution-more { display: inline-flex; align-items: center; gap: 7px; font-size: .875rem; font-weight: 600; color: var(--ink-700); }
.solution-card:hover .solution-more { color: var(--brand-700); gap: 11px; }

/* ---------------------------------------------------------------- 15. 案例卡片 */
.case-card {
    display: flex; flex-direction: column;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    overflow: hidden;
    transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--sh-lg); border-color: transparent; }

.case-cover { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: var(--ink-850); }
.case-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease-out); }
.case-card:hover .case-cover img { transform: scale(1.05); }
.case-cover-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(5,9,15,.15) 0%, rgba(5,9,15,.72) 100%);
}
.case-cover-tags { position: absolute; left: 16px; top: 16px; display: flex; gap: 7px; flex-wrap: wrap; }
.case-cover-tag {
    padding: 5px 11px; font-size: .6875rem; font-weight: 600; letter-spacing: .02em;
    color: #fff; background: rgba(10,15,28,.55);
    border: 1px solid rgba(255,255,255,.18);
    border-radius: var(--r-full);
    backdrop-filter: blur(6px);
}
.case-cover-metrics {
    position: absolute; left: 16px; right: 16px; bottom: 14px;
    display: flex; gap: 18px;
    color: #fff;
}
.case-cover-metric b { display: block; font-size: 1.0625rem; font-weight: 800; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.case-cover-metric span { font-size: .6875rem; color: rgba(255,255,255,.6); }

.case-body { padding: 24px 24px 22px; display: flex; flex-direction: column; flex: 1; }
.case-loc { display: inline-flex; align-items: center; gap: 6px; font-size: .8125rem; color: var(--ink-400); margin-bottom: 10px; }
.case-body h3 { font-size: 1.0625rem; line-height: 1.5; margin-bottom: 10px; }
.case-body h3 a { color: var(--ink-900); }
.case-body h3 a:hover { color: var(--brand-700); }
.case-body p { font-size: .875rem; color: var(--text-muted); line-height: 1.72; margin-bottom: 18px; }
.case-foot { margin-top: auto; padding-top: 16px; border-top: 1px solid var(--line-soft); display: flex; align-items: center; justify-content: space-between; }
.case-services { display: flex; gap: 6px; flex-wrap: wrap; }

/* ---------------------------------------------------------------- 16. 文章卡片 */
.article-card {
    display: flex; flex-direction: column;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    overflow: hidden;
    transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.article-card:hover { transform: translateY(-5px); box-shadow: var(--sh-md); border-color: transparent; }

.article-cover {
    position: relative; aspect-ratio: 16 / 9; overflow: hidden;
    display: grid; place-items: center;
}
.article-cover img { width: 100%; height: 100%; object-fit: cover; }
.article-cover-pattern { position: absolute; inset: 0; opacity: .5; }
.article-cover-glyph {
    position: relative; z-index: 2;
    color: rgba(255,255,255,.9);
    filter: drop-shadow(0 4px 14px rgba(0,0,0,.28));
}
.article-cover-cat {
    position: absolute; left: 14px; top: 14px; z-index: 3;
    padding: 4px 11px; font-size: .6875rem; font-weight: 700; letter-spacing: .03em;
    color: #fff; background: rgba(5,9,15,.42);
    border: 1px solid rgba(255,255,255,.2);
    border-radius: var(--r-full);
    backdrop-filter: blur(6px);
}
.article-body { padding: 22px 22px 20px; display: flex; flex-direction: column; flex: 1; }
.article-meta { display: flex; align-items: center; gap: 12px; font-size: .75rem; color: var(--ink-400); margin-bottom: 11px; }
.article-meta span { display: inline-flex; align-items: center; gap: 5px; }
.article-card h3 { font-size: 1.0625rem; line-height: 1.52; margin-bottom: 10px; }
.article-card h3 a { color: var(--ink-900); }
.article-card h3 a:hover { color: var(--brand-700); }
.article-card p { font-size: .875rem; color: var(--text-muted); line-height: 1.72; margin-bottom: 16px; }
.article-foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; padding-top: 14px; border-top: 1px solid var(--line-soft); }
.article-read { font-size: .75rem; color: var(--ink-400); display: inline-flex; align-items: center; gap: 5px; }

/* 文章列表（横向） */
.article-row {
    display: grid; grid-template-columns: 232px minmax(0,1fr); gap: 24px;
    padding: 24px;
    background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
    transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.article-row:hover { transform: translateY(-3px); box-shadow: var(--sh-md); border-color: transparent; }
.article-row .article-cover { border-radius: var(--r-md); }
.article-row h3 { font-size: 1.1875rem; margin: 10px 0 10px; }
.article-row p { margin-bottom: 14px; }

/* ---------------------------------------------------------------- 17. 特色 / 优势 */
.feature {
    display: flex; gap: 18px;
    padding: 26px 24px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--r-md);
    transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.feature:hover { border-color: transparent; box-shadow: var(--sh-md); transform: translateY(-4px); }
.feature-icon {
    flex: none; width: 46px; height: 46px; border-radius: var(--r-sm);
    display: grid; place-items: center;
    background: var(--brand-50); color: var(--brand-600);
}
.feature h3 { font-size: 1.0625rem; margin-bottom: 7px; }
.feature p { font-size: .875rem; color: var(--text-muted); line-height: 1.72; }

.feature.on-dark {
    background: rgba(255,255,255,.045);
    border-color: rgba(255,255,255,.1);
}
.feature.on-dark:hover { background: rgba(255,255,255,.07); border-color: rgba(103,232,249,.24); }
.feature.on-dark h3 { color: #fff; }
.feature.on-dark p { color: rgba(255,255,255,.62); }
.feature.on-dark .feature-icon { background: rgba(6,182,212,.14); color: var(--brand-300); }

/* ---------------------------------------------------------------- 18. 流程步骤 */
.process { display: grid; grid-template-columns: repeat(6, minmax(0,1fr)); gap: 0; counter-reset: step; }
.process-step { position: relative; padding: 0 18px; text-align: center; }
.process-step::before {
    content: ""; position: absolute; top: 25px; left: 0; right: 50%; height: 1px;
    background: linear-gradient(90deg, transparent, var(--line-strong));
}
.process-step::after {
    content: ""; position: absolute; top: 25px; left: 50%; right: 0; height: 1px;
    background: linear-gradient(90deg, var(--line-strong), transparent);
}
.process-step:first-child::before, .process-step:last-child::after { display: none; }
.process-num {
    position: relative; z-index: 2;
    width: 52px; height: 52px; margin: 0 auto 18px;
    display: grid; place-items: center;
    font-size: 1rem; font-weight: 800; font-variant-numeric: tabular-nums;
    color: var(--brand-600);
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 50%;
    transition: all var(--dur) var(--ease);
}
.process-step:hover .process-num { background: var(--grad-brand); color: #fff; border-color: transparent; box-shadow: var(--sh-brand); transform: scale(1.08); }
.process-step h4 { font-size: .9375rem; margin-bottom: 7px; }
.process-step p { font-size: .8125rem; color: var(--text-muted); line-height: 1.68; }
.process-days { display: inline-block; margin-top: 9px; font-size: .75rem; color: var(--brand-600); font-weight: 600; }

/* 纵向流程（详情页） */
.steps-v { display: grid; gap: 0; counter-reset: vstep; }
.step-v { position: relative; display: grid; grid-template-columns: 60px minmax(0,1fr); gap: 22px; padding-bottom: 32px; }
.step-v:last-child { padding-bottom: 0; }
.step-v::before {
    content: ""; position: absolute; left: 29px; top: 52px; bottom: 0; width: 1px;
    background: linear-gradient(180deg, var(--line-strong), var(--line-soft));
}
.step-v:last-child::before { display: none; }
.step-v-num {
    width: 60px; height: 60px; border-radius: var(--r-md);
    display: grid; place-items: center;
    font-size: 1.0625rem; font-weight: 800; font-variant-numeric: tabular-nums;
    color: var(--brand-600);
    background: var(--brand-50);
    border: 1px solid rgba(6,182,212,.18);
}
.step-v-body { padding-top: 6px; }
.step-v-head { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-bottom: 8px; }
.step-v-head h4 { margin: 0; font-size: 1.0625rem; }
.step-v-body p { font-size: .9375rem; color: var(--text-muted); line-height: 1.78; margin: 0; }

/* ---------------------------------------------------------------- 19. 数据统计 */
.stat-card {
    padding: 30px 26px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--r-md);
    text-align: center;
}
.stat-card b {
    display: block; font-size: clamp(2rem, 3.4vw, 2.75rem);
    font-weight: 800; letter-spacing: -.04em; line-height: 1.1;
    font-variant-numeric: tabular-nums;
    background: var(--grad-text);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
}
.stat-card span { display: block; margin-top: 8px; font-size: .9375rem; color: var(--text-muted); }

/* ---------------------------------------------------------------- 20. 客户评价 */
.testimonial {
    position: relative;
    display: flex; flex-direction: column;
    padding: 30px 28px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    height: 100%;
}
.testimonial-quote { position: absolute; right: 26px; top: 22px; color: var(--brand-100, #CFFAFE); }
.testimonial p { font-size: .9375rem; line-height: 1.85; color: var(--ink-600); margin-bottom: 22px; flex: 1; }
.testimonial-who { display: flex; align-items: center; gap: 13px; padding-top: 18px; border-top: 1px solid var(--line-soft); }
.testimonial-avatar {
    flex: none; width: 44px; height: 44px; border-radius: 50%;
    display: grid; place-items: center;
    background: var(--grad-brand); color: #fff;
    font-size: 1rem; font-weight: 700;
}
.testimonial-who b { display: block; font-size: .9375rem; color: var(--ink-900); }
.testimonial-who span { font-size: .8125rem; color: var(--ink-400); }

/* ---------------------------------------------------------------- 21. FAQ 手风琴 */
.faq-list { display: grid; gap: 12px; }
.faq-item {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--r-md);
    overflow: hidden;
    transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.faq-item.is-open { border-color: rgba(6,182,212,.34); box-shadow: var(--sh-sm); }
.faq-q {
    display: flex; align-items: flex-start; gap: 14px;
    width: 100%; padding: 20px 22px;
    text-align: left;
    font-size: 1rem; font-weight: 600; color: var(--ink-900);
    line-height: 1.6;
}
.faq-q:hover { color: var(--brand-700); }
.faq-q-icon {
    flex: none; width: 26px; height: 26px; margin-top: 1px;
    display: grid; place-items: center;
    border-radius: 50%;
    background: var(--bg-mute); color: var(--ink-600);
    transition: all var(--dur) var(--ease);
}
.faq-item.is-open .faq-q-icon { background: var(--grad-brand); color: #fff; transform: rotate(180deg); }
.faq-a { display: none; padding: 0 22px 22px 62px; font-size: .9375rem; line-height: 1.85; color: var(--text-muted); }
.faq-item.is-open .faq-a { display: block; animation: faq-in .32s var(--ease); }
@keyframes faq-in { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }
.faq-a p { margin-bottom: .8em; }
.faq-a ul, .faq-a ol { margin-bottom: .8em; }
.faq-a strong { color: var(--ink-800); }

/* ---------------------------------------------------------------- 22. 富文本正文 */
.prose { font-size: 1.0625rem; line-height: 1.9; color: var(--ink-600); }
.prose > *:first-child { margin-top: 0; }
.prose h2 {
    margin: 2.4em 0 .8em; padding-left: 16px;
    font-size: 1.5rem; position: relative;
    border-left: 4px solid var(--brand-500);
    border-radius: 2px;
}
.prose h3 { margin: 1.9em 0 .6em; font-size: 1.1875rem; color: var(--ink-800); }
.prose h4 { margin: 1.6em 0 .5em; font-size: 1.0625rem; }
.prose p { margin-bottom: 1.3em; }
.prose ul, .prose ol { margin: 0 0 1.4em; padding-left: 0; list-style: none; }
.prose ul > li, .prose ol > li {
    position: relative; padding-left: 26px; margin-bottom: .7em;
}
.prose ul > li::before {
    content: ""; position: absolute; left: 4px; top: .72em;
    width: 6px; height: 6px; border-radius: 2px;
    background: var(--brand-500);
    transform: rotate(45deg);
}
.prose ol { counter-reset: oli; }
.prose ol > li { counter-increment: oli; }
.prose ol > li::before {
    content: counter(oli);
    position: absolute; left: 0; top: .34em;
    width: 19px; height: 19px; border-radius: 50%;
    display: grid; place-items: center;
    font-size: .6875rem; font-weight: 700; color: #fff;
    background: var(--brand-600);
}
.prose strong { color: var(--ink-900); font-weight: 700; }
.prose blockquote {
    margin: 1.8em 0; padding: 20px 24px;
    background: var(--bg-soft);
    border-left: 3px solid var(--brand-400);
    border-radius: 0 var(--r-sm) var(--r-sm) 0;
    color: var(--ink-600);
    font-size: 1rem;
}
.prose blockquote p:last-child { margin-bottom: 0; }
.prose code {
    padding: 2px 7px; font-family: var(--font-mono); font-size: .875em;
    background: var(--bg-mute); color: var(--brand-700);
    border-radius: var(--r-xs);
}
.prose pre {
    margin: 1.6em 0; padding: 20px 22px; overflow-x: auto;
    background: var(--ink-900); color: #E2E8F0;
    border-radius: var(--r-md); font-size: .875rem; line-height: 1.7;
}
.prose pre code { background: none; color: inherit; padding: 0; }
.prose img { margin: 1.8em 0; border-radius: var(--r-md); box-shadow: var(--sh); }
.prose table { width: 100%; margin: 1.8em 0; border-collapse: collapse; font-size: .9375rem; }
.prose th, .prose td { padding: 12px 15px; border: 1px solid var(--line); text-align: left; }
.prose th { background: var(--bg-soft); font-weight: 700; color: var(--ink-800); }
.prose hr { margin: 2.6em 0; }
.prose a.inlink {
    color: var(--brand-700); font-weight: 600;
    border-bottom: 1px dashed rgba(6,182,212,.45);
}
.prose a.inlink:hover { color: var(--brand-600); border-bottom-style: solid; }

/* ==========================================================================
   PART 3 — 内页、表单、页脚与响应式
   ========================================================================== */

/* ---------------------------------------------------------------- 23. 页面头 / 面包屑 */
.page-hero {
    position: relative;
    padding: clamp(52px, 6.5vw, 88px) 0 clamp(48px, 5.5vw, 72px);
    background: var(--grad-dark);
    color: rgba(255,255,255,.7);
    overflow: hidden;
    isolation: isolate;
}
.page-hero.grad-hero, .page-hero.pattern-hero { position: relative; }
.page-hero-bg {
    position: absolute; inset: 0; z-index: -1;
    background-image:
        linear-gradient(rgba(103,232,249,.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(103,232,249,.05) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 90% 80% at 40% 20%, #000 20%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 90% 80% at 40% 20%, #000 20%, transparent 75%);
}
.page-hero-orb {
    position: absolute; z-index: -1;
    width: 460px; height: 460px; border-radius: 50%;
    top: -220px; right: -80px;
    background: radial-gradient(circle, rgba(6,182,212,.4), transparent 68%);
    filter: blur(80px);
}
.page-hero-inner { max-width: 820px; }
.page-hero h1 { color: #fff; margin-bottom: 18px; }
.page-hero-lead { font-size: clamp(1rem, 1.2vw, 1.125rem); line-height: 1.82; color: rgba(255,255,255,.7); max-width: 700px; margin-bottom: 0; }
.page-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.page-hero-meta { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 26px; font-size: .875rem; color: rgba(255,255,255,.55); }
.page-hero-meta span { display: inline-flex; align-items: center; gap: 7px; }
.page-hero-meta .icon { color: var(--brand-400); }

.breadcrumb {
    background: var(--bg-soft);
    border-bottom: 1px solid var(--line-soft);
    font-size: .8125rem;
}
.breadcrumb ol {
    display: flex; flex-wrap: wrap; align-items: center; gap: 9px;
    margin: 0; padding: 13px 0; list-style: none;
}
.breadcrumb li { margin: 0; display: inline-flex; align-items: center; }
.breadcrumb a { color: var(--ink-400); }
.breadcrumb a:hover { color: var(--brand-700); }
.breadcrumb .bc-cur { color: var(--ink-700); font-weight: 600; }
.breadcrumb .bc-sep { color: var(--ink-300); }

/* ---------------------------------------------------------------- 24. 布局：主内容 + 侧栏 */
.layout-with-side { display: grid; grid-template-columns: minmax(0,1fr) 340px; gap: clamp(32px, 4vw, 56px); align-items: start; }
.sidebar { position: sticky; top: calc(var(--header-h) + 24px); display: grid; gap: 20px; }
.side-card { padding: 24px 22px; background: #fff; border: 1px solid var(--line); border-radius: var(--r-md); }
.side-card h3 {
    font-size: 1rem; margin: 0 0 16px; padding-bottom: 13px;
    border-bottom: 1px solid var(--line-soft);
    display: flex; align-items: center; gap: 9px;
}
.side-card h3 .icon { color: var(--brand-500); }
.side-list { list-style: none; margin: 0; padding: 0; }
.side-list li { margin: 0; }
.side-list a {
    display: flex; align-items: center; justify-content: space-between; gap: 10px;
    padding: 10px 0; font-size: .9375rem; color: var(--ink-600);
    border-bottom: 1px dashed var(--line-soft);
    transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}
.side-list li:last-child a { border-bottom: 0; }
.side-list a:hover { color: var(--brand-700); padding-left: 5px; }
.side-list .cnt { font-size: .75rem; color: var(--ink-300); font-variant-numeric: tabular-nums; }
.side-list .icon { opacity: .35; }
.side-list a:hover .icon { opacity: 1; color: var(--brand-500); }

.side-cta {
    padding: 26px 22px;
    background: var(--grad-dark);
    border-radius: var(--r-md);
    color: rgba(255,255,255,.68);
    text-align: center;
    position: relative; overflow: hidden;
}
.side-cta::before {
    content: ""; position: absolute; top: -70px; right: -60px;
    width: 180px; height: 180px; border-radius: 50%;
    background: radial-gradient(circle, rgba(6,182,212,.34), transparent 70%);
}
.side-cta h3 { color: #fff; font-size: 1.0625rem; margin-bottom: 9px; border: 0; padding: 0; justify-content: center; }
.side-cta p { font-size: .875rem; line-height: 1.72; margin-bottom: 18px; }
.side-cta .btn { width: 100%; }
.side-cta-phone {
    display: block; margin-top: 14px; font-size: 1.0625rem; font-weight: 800;
    color: var(--brand-300); letter-spacing: .01em;
}
.side-cta-phone:hover { color: #fff; }
.side-cta-phone small { display: block; font-size: .6875rem; font-weight: 500; letter-spacing: .08em; color: rgba(255,255,255,.45); margin-bottom: 2px; }

.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }

/* ---------------------------------------------------------------- 34. 占位封面 */
.cover-fallback { position: absolute; inset: 0; display: grid; place-items: center; overflow: hidden; }
.cover-fallback-grid { position: absolute; inset: 0; width: 100%; height: 100%; }
.cover-fallback-icon {
    position: relative; z-index: 2;
    color: rgba(255,255,255,.92);
    filter: drop-shadow(0 6px 18px rgba(5,9,15,.32));
    transition: transform .7s var(--ease-out);
}
.case-card:hover .cover-fallback-icon,
.solution-card:hover .cover-fallback-icon { transform: scale(1.08); }

/* 详情页大图容器 */
.figure {
    position: relative;
    aspect-ratio: 16 / 9;
    border-radius: var(--r-lg);
    overflow: hidden;
    background: var(--ink-850);
    box-shadow: var(--sh-md);
}
.figure img { width: 100%; height: 100%; object-fit: cover; }
.figure-caption {
    margin-top: 12px; font-size: .8125rem; color: var(--ink-400); text-align: center;
}

/* 图集 */
.gallery { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px,1fr)); gap: 16px; }
.gallery .figure { aspect-ratio: 4 / 3; border-radius: var(--r-md); box-shadow: var(--sh-sm); }

/* ---------------------------------------------------------------- 35. 内容块 / 卡片通用 */
.panel {
    padding: clamp(26px, 3vw, 40px);
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
}
.panel + .panel { margin-top: 24px; }
.panel h2 { font-size: 1.375rem; margin-bottom: 18px; }
.panel h3 { font-size: 1.125rem; }

.callout {
    display: flex; gap: 16px;
    padding: 22px 24px;
    border-radius: var(--r-md);
    background: var(--brand-50);
    border: 1px solid rgba(6,182,212,.2);
}
.callout .icon { color: var(--brand-600); flex: none; margin-top: 2px; }
.callout p:last-child { margin-bottom: 0; }
.callout strong { color: var(--brand-700); }
.callout.is-warn { background: var(--warning-bg); border-color: rgba(217,119,6,.2); }
.callout.is-warn .icon { color: var(--warning); }
.callout.is-warn strong { color: var(--warning); }
.callout.is-danger { background: var(--danger-bg); border-color: rgba(220,38,38,.2); }
.callout.is-danger .icon { color: var(--danger); }
.callout.is-danger strong { color: var(--danger); }

.metric-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px,1fr)); gap: 16px; }
.metric {
    padding: 20px;
    background: var(--bg-soft);
    border: 1px solid var(--line-soft);
    border-radius: var(--r-md);
    text-align: center;
}
.metric b {
    display: block; font-size: 1.5rem; font-weight: 800; letter-spacing: -.03em;
    color: var(--brand-700); font-variant-numeric: tabular-nums; line-height: 1.2;
}
.metric span { display: block; margin-top: 6px; font-size: .8125rem; color: var(--ink-400); }

.check-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.check-list li { display: flex; gap: 11px; margin: 0; font-size: .9375rem; line-height: 1.75; color: var(--ink-600); }
.check-list .icon { color: var(--brand-500); flex: none; margin-top: 5px; }
.check-list b { color: var(--ink-900); }

.pill-list { display: flex; flex-wrap: wrap; gap: 9px; list-style: none; margin: 0; padding: 0; }
.pill-list li { margin: 0; }
.pill-list span {
    display: inline-block; padding: 8px 15px;
    font-size: .875rem; color: var(--ink-600);
    background: var(--bg-soft);
    border: 1px solid var(--line);
    border-radius: var(--r-full);
}

/* 行业痛点 / 亮点 */
.pain-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px,1fr)); gap: 18px; }
.pain-item {
    padding: 24px 24px 22px;
    background: #fff; border: 1px solid var(--line); border-left: 3px solid var(--danger);
    border-radius: var(--r-sm) var(--r-md) var(--r-md) var(--r-sm);
}
.pain-item h4 { font-size: 1rem; margin-bottom: 8px; display: flex; align-items: flex-start; gap: 9px; }
.pain-item h4 .icon { color: var(--danger); flex: none; margin-top: 3px; }
.pain-item p { font-size: .875rem; color: var(--text-muted); line-height: 1.72; margin: 0; }

.solve-item {
    padding: 24px 24px 22px;
    background: #fff; border: 1px solid var(--line); border-left: 3px solid var(--brand-500);
    border-radius: var(--r-sm) var(--r-md) var(--r-md) var(--r-sm);
    transition: box-shadow var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.solve-item:hover { box-shadow: var(--sh-md); transform: translateY(-3px); }
.solve-item h4 { font-size: 1rem; margin-bottom: 8px; display: flex; align-items: flex-start; gap: 9px; }
.solve-item h4 .icon { color: var(--brand-500); flex: none; margin-top: 3px; }
.solve-item p { font-size: .875rem; color: var(--text-muted); line-height: 1.72; margin: 0; }

/* ---------------------------------------------------------------- 26. 表单 */
.form-grid { display: grid; gap: 18px; }
.field-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field-full { grid-column: 1 / -1; }
.field > span { font-size: .875rem; font-weight: 600; color: var(--ink-700); }
.field > span em { font-style: normal; color: var(--danger); margin-left: 3px; }
.field input, .field select, .field textarea {
    width: 100%;
    padding: 13px 16px;
    font-size: .9375rem;
    color: var(--ink-800);
    background: #fff;
    border: 1px solid var(--line-strong);
    border-radius: var(--r-sm);
    transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.field textarea { resize: vertical; min-height: 96px; line-height: 1.7; }
.field input::placeholder, .field textarea::placeholder { color: var(--ink-300); }
.field input:focus, .field select:focus, .field textarea:focus {
    outline: none; border-color: var(--brand-400);
    box-shadow: 0 0 0 4px rgba(6,182,212,.12);
}
.field select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7B97' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 42px;
}
.field-hint { font-size: .8125rem; color: var(--ink-400); }

.lead-form {
    padding: 30px 28px 26px;
    background: #fff;
    border-radius: var(--r-lg);
    box-shadow: var(--sh-lg);
}
.lead-form-title { font-size: 1.1875rem; font-weight: 700; color: var(--ink-900); margin-bottom: 20px; }
.lead-form .btn { margin-top: 20px; }
.lead-form-note {
    display: flex; align-items: center; justify-content: center; gap: 7px;
    margin: 14px 0 0; font-size: .75rem; color: var(--ink-400); text-align: center;
}
.lead-form-note .icon { color: var(--success); }
.lead-form-alt {
    display: flex; align-items: center; justify-content: center; gap: 12px;
    margin-top: 18px; padding-top: 18px;
    border-top: 1px solid var(--line-soft);
    font-size: .875rem;
}
.lead-form-alt a { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; }
.lead-form-divider { color: var(--ink-300); font-size: .8125rem; }

.form-alert {
    display: flex; gap: 12px;
    padding: 16px 18px; margin-bottom: 22px;
    border-radius: var(--r-sm);
    font-size: .9375rem;
    background: var(--success-bg); color: var(--success);
    border: 1px solid rgba(5,150,105,.22);
}
.form-alert.is-error { background: var(--danger-bg); color: var(--danger); border-color: rgba(220,38,38,.22); }
.form-alert .icon { flex: none; margin-top: 3px; }
.form-alert p { margin: 0; }

/* ---------------------------------------------------------------- 27. 转化区 CTA */
.cta-band {
    position: relative;
    padding: clamp(56px, 7vw, 92px) 0;
    background: var(--grad-dark);
    color: rgba(255,255,255,.7);
    overflow: hidden;
    isolation: isolate;
}
.cta-glow {
    position: absolute; inset: 0; z-index: -1;
    background:
        radial-gradient(ellipse 60% 70% at 12% 20%, rgba(6,182,212,.28), transparent 60%),
        radial-gradient(ellipse 50% 60% at 88% 85%, rgba(99,102,241,.26), transparent 62%);
}
.cta-inner { display: grid; grid-template-columns: minmax(0,1fr) 460px; gap: clamp(36px, 4.5vw, 64px); align-items: center; }
.cta-eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    margin-bottom: 16px; padding: 7px 15px;
    font-size: .8125rem; font-weight: 600; letter-spacing: .03em;
    color: var(--brand-300);
    background: rgba(6,182,212,.1);
    border: 1px solid rgba(34,211,238,.22);
    border-radius: var(--r-full);
}
.cta-title { color: #fff; font-size: clamp(1.7rem, 3.1vw, 2.6rem); margin-bottom: 18px; }
.cta-desc { font-size: 1rem; line-height: 1.85; color: rgba(255,255,255,.7); margin-bottom: 26px; max-width: 560px; }
.cta-points { list-style: none; margin: 0 0 26px; padding: 0; display: grid; gap: 12px; }
.cta-points li { display: flex; align-items: center; gap: 11px; margin: 0; font-size: .9375rem; color: rgba(255,255,255,.78); }
.cta-points .icon { color: var(--brand-400); flex: none; }
.cta-trust {
    display: inline-flex; align-items: center; gap: 9px;
    margin: 0; padding: 11px 18px;
    font-size: .875rem; color: rgba(255,255,255,.62);
    background: rgba(255,255,255,.05);
    border: 1px solid rgba(255,255,255,.1);
    border-radius: var(--r-full);
}
.cta-trust .icon { color: var(--brand-400); }

/* ---------------------------------------------------------------- 28. 页脚 */
.site-footer { background: var(--ink-950); color: rgba(255,255,255,.6); font-size: .9375rem; }
.footer-main {
    display: grid;
    grid-template-columns: minmax(0,1.5fr) repeat(3, minmax(0,1fr)) minmax(0,1.1fr);
    gap: clamp(28px, 3.5vw, 52px);
    padding: clamp(52px, 6vw, 76px) 0 clamp(40px, 4.5vw, 56px);
}
.brand-footer .brand-text strong { color: #fff; }
.brand-footer .brand-text small { color: rgba(255,255,255,.35); }
.brand-footer .brand-mark { color: var(--brand-400); }
.brand-footer:hover { color: #fff; }
.footer-desc { margin: 20px 0 22px; font-size: .875rem; line-height: 1.82; color: rgba(255,255,255,.5); max-width: 340px; }
.footer-contact { list-style: none; margin: 0; padding: 0; display: grid; gap: 11px; }
.footer-contact li { display: flex; gap: 10px; margin: 0; font-size: .875rem; line-height: 1.65; }
.footer-contact .icon { color: var(--brand-400); flex: none; margin-top: 2px; }
.footer-contact a { color: rgba(255,255,255,.72); }
.footer-contact a:hover { color: var(--brand-300); }

.footer-heading {
    font-size: .8125rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
    color: #fff; margin-bottom: 20px;
}
.footer-links { list-style: none; margin: 0; padding: 0; display: grid; gap: 11px; }
.footer-links li { margin: 0; }
.footer-links a {
    display: inline-flex; align-items: center; gap: 5px;
    font-size: .875rem; color: rgba(255,255,255,.55);
    transition: color var(--dur) var(--ease);
}
.footer-links a:hover { color: var(--brand-300); }
.footer-links a .icon { opacity: .6; }

.footer-qr { display: flex; align-items: center; gap: 14px; }
.qr-box {
    width: 68px; height: 68px; flex: none;
    display: grid; place-items: center;
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.12);
    border-radius: var(--r-sm);
    color: var(--brand-300);
}
.qr-text { font-size: .8125rem; line-height: 1.6; color: rgba(255,255,255,.5); margin: 0; }
.qr-text strong { color: #fff; font-weight: 600; }
.footer-slogan {
    margin: 18px 0 0; padding-top: 18px;
    border-top: 1px solid rgba(255,255,255,.08);
    font-size: .8125rem; color: var(--brand-300); letter-spacing: .02em;
}

.footer-tags {
    display: flex; flex-wrap: wrap; align-items: center; gap: 9px;
    padding: 22px 0;
    border-top: 1px solid rgba(255,255,255,.07);
}
.footer-tags-label { font-size: .8125rem; color: rgba(255,255,255,.35); margin-right: 6px; }
.footer-tags a { font-size: .8125rem; color: rgba(255,255,255,.45); }
.footer-tags a:hover { color: var(--brand-300); }

.footer-bottom { border-top: 1px solid rgba(255,255,255,.07); }
.footer-bottom-inner {
    display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px;
    padding: 22px 0;
}
.footer-copy { margin: 0; font-size: .8125rem; color: rgba(255,255,255,.42); display: flex; flex-wrap: wrap; gap: 6px 14px; }
.footer-copy a { color: rgba(255,255,255,.5); }
.footer-copy a:hover { color: var(--brand-300); }
.footer-legal { margin: 0; display: flex; flex-wrap: wrap; align-items: center; gap: 10px; font-size: .8125rem; }
.footer-legal a { color: rgba(255,255,255,.45); }
.footer-legal a:hover { color: var(--brand-300); }
.footer-legal span { color: rgba(255,255,255,.2); }

.back-top {
    position: fixed; right: 26px; bottom: 26px; z-index: 45;
    width: 46px; height: 46px; border-radius: 50%;
    display: grid; place-items: center;
    background: var(--ink-900); color: #fff;
    box-shadow: var(--sh-md);
    opacity: 0; visibility: hidden; transform: translateY(12px);
    transition: all var(--dur) var(--ease);
}
.back-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.back-top:hover { background: var(--brand-600); color: #fff; }
.back-top .icon { transform: rotate(-45deg); }

/* ---------------------------------------------------------------- 29. 分页 */
.pager { margin-top: clamp(36px, 4vw, 52px); }
.pager ul { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 7px; margin: 0; padding: 0; list-style: none; }
.pager li { margin: 0; }
.pager-link {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 42px; height: 42px; padding: 0 12px;
    font-size: .9375rem; font-weight: 600;
    color: var(--ink-600);
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--r-sm);
    transition: all var(--dur) var(--ease);
}
a.pager-link:hover { border-color: var(--brand-400); color: var(--brand-700); background: var(--brand-50); }
.pager-link.is-active { background: var(--ink-900); color: #fff; border-color: var(--ink-900); }
.pager-link.is-disabled { opacity: .4; }
.pager-gap { color: var(--ink-300); padding: 0 4px; }
.pager-info { text-align: center; margin: 14px 0 0; font-size: .8125rem; color: var(--ink-400); }

/* ---------------------------------------------------------------- 30. 空状态 */
.empty { padding: 60px 24px; text-align: center; }
.empty-icon {
    width: 72px; height: 72px; margin: 0 auto 20px;
    display: grid; place-items: center;
    border-radius: 50%;
    background: var(--bg-mute); color: var(--ink-300);
}
.empty h3 { margin-bottom: 8px; }
.empty p { color: var(--text-muted); margin-bottom: 20px; }

/* ---------------------------------------------------------------- 31. 滚动揭示动画 */
.js [data-reveal] {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity .72s var(--ease-out), transform .72s var(--ease-out);
    will-change: opacity, transform;
}
.js [data-reveal].is-in { opacity: 1; transform: none; }
.js [data-reveal][data-delay="1"] { transition-delay: .07s; }
.js [data-reveal][data-delay="2"] { transition-delay: .14s; }
.js [data-reveal][data-delay="3"] { transition-delay: .21s; }
.js [data-reveal][data-delay="4"] { transition-delay: .28s; }
.js [data-reveal][data-delay="5"] { transition-delay: .35s; }
.js [data-reveal][data-delay="6"] { transition-delay: .42s; }

/* ---------------------------------------------------------------- 32. 工具类 */
.mt-0 { margin-top: 0; } .mt-1 { margin-top: 8px; } .mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; } .mt-4 { margin-top: 32px; } .mt-5 { margin-top: 44px; }
.mb-0 { margin-bottom: 0; } .mb-2 { margin-bottom: 16px; } .mb-3 { margin-bottom: 24px; } .mb-4 { margin-bottom: 32px; }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-sm { font-size: .875rem; }
.text-xs { font-size: .8125rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
.flex-wrap-gap { display: flex; flex-wrap: wrap; gap: 12px; }
.hide { display: none !important; }
.on-dark { color: rgba(255,255,255,.72); }
.on-dark h2, .on-dark h3 { color: #fff; }

/* ---------------------------------------------------------------- 33. 响应式 */
@media (max-width: 1180px) {
    .main-nav { display: none; }
    .nav-toggle { display: inline-flex; }
    .header-cta { display: inline-flex; }
    .layout-with-side { grid-template-columns: minmax(0,1fr) 300px; }
    .footer-main { grid-template-columns: repeat(3, minmax(0,1fr)); }
    .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 1024px) {
    .hero-inner { grid-template-columns: minmax(0,1fr); gap: 52px; }
    .hero-copy { max-width: none; }
    .hero-visual { max-width: 640px; }
    .cta-inner { grid-template-columns: minmax(0,1fr); }
    .process { grid-template-columns: repeat(3, minmax(0,1fr)); row-gap: 36px; }
    .process-step::before, .process-step::after { display: none; }
    .split { grid-template-columns: minmax(0,1fr); }
    .layout-with-side { grid-template-columns: minmax(0,1fr); }
    .sidebar { position: static; }
    .grid-4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
}

@media (max-width: 860px) {
    :root { --gutter: 20px; --header-h: 64px; }
    .topbar-left { display: none; }
    .topbar-inner { justify-content: flex-end; }
    .topbar-hide-sm { display: none; }
    .hero-stats { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .console-float { right: 8px; bottom: 12px; }
    .article-row { grid-template-columns: minmax(0,1fr); gap: 18px; }
    .article-row .article-cover { aspect-ratio: 16/9; }
    .footer-main { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .footer-col-qr { grid-column: 1 / -1; }
    .grid-3 { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .field-grid { grid-template-columns: minmax(0,1fr); }
    .trust-inner { flex-direction: column; align-items: flex-start; gap: 16px; }
    .trust-label { border-right: 0; padding-right: 0; }
    .marquee { width: 100%; }
}

@media (max-width: 640px) {
    body { font-size: 15.5px; }
    .grid-2, .grid-3, .grid-4, .grid-auto { grid-template-columns: minmax(0,1fr); }
    .hero { padding-top: 46px; }
    .hero-actions { flex-direction: column; align-items: stretch; }
    .hero-actions .btn { width: 100%; }
    .section { padding: 56px 0; }
    .console-grid { grid-template-columns: minmax(0,1fr); }
    .console-log .log-row:nth-child(n+3) { display: none; }
    .process { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .footer-main { grid-template-columns: minmax(0,1fr); gap: 34px; }
    .footer-bottom-inner { flex-direction: column; align-items: flex-start; }
    .search-form-lg { flex-direction: column; }
    .search-modal { padding: 6vh 16px 16px; }
    .search-modal-inner { padding: 26px 20px; }
    .panel { padding: 24px 20px; }
    .step-v { grid-template-columns: 46px minmax(0,1fr); gap: 16px; }
    .step-v-num { width: 46px; height: 46px; font-size: .9375rem; }
    .step-v::before { left: 22px; top: 44px; }
    .faq-a { padding-left: 22px; }
    .metric-row { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .back-top { right: 16px; bottom: 16px; }
    .case-cover-metrics { gap: 12px; }
    .hero-stat { padding: 20px 18px; }
}

/* 打印与动效偏好 */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: .001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .001ms !important;
        scroll-behavior: auto !important;
    }
    .js [data-reveal] { opacity: 1; transform: none; }
}

@media print {
    .topbar, .site-header, .cta-band, .site-footer, .back-top, .sidebar, .drawer, .drawer-mask, .search-modal { display: none !important; }
    body { color: #000; }
    .page-hero { background: #fff !important; color: #000 !important; padding: 0 0 20px; }
    .page-hero h1 { color: #000 !important; }
}