@charset "utf-8";
/* ==========================================================================
   浔锦 GEO · 全站样式
   设计令牌对齐 geo.267.net.cn 真实设计系统
   主蓝 #165dff / 智青 #0fc6c2 / 辅助紫 #722ed1 / 深空 #0a0f1e
   节奏缓动 cubic-bezier(.16,1,.3,1)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. 设计令牌
   -------------------------------------------------------------------------- */
:root {
    /* 品牌色 */
    --primary: #165dff;
    --primary-hover: #0e4fd8;
    --primary-active: #0039b3;
    --primary-50: #ebf3ff;
    --primary-100: #e8f3ff;
    --primary-200: #cfe3ff;
    --primary-400: #7ba8ff;

    --cyan: #0fc6c2;
    --cyan-dark: #0aa8a4;
    --cyan-50: #e6faf9;

    --purple: #722ed1;
    --purple-50: #f0ecff;

    /* 语义色 */
    --danger: #f53f3f;
    --success: #00b42a;
    --warning: #ff7d00;

    /* 中性 · 浅色 */
    --white: #ffffff;
    --bg: #f7f8fa;
    --bg-alt: #f5f7fa;
    --bg-sunk: #f2f3f5;
    --border: #e5e6eb;
    --border-light: #f2f3f5;
    --text: #1d2129;
    --text-2: #4e5969;
    --text-3: #86909c;
    --text-4: #c9cdd4;

    /* 中性 · 深空 */
    --dark-900: #050810;
    --dark-800: #0a0f1e;
    --dark-750: #0a1a2e;
    --dark-700: #0d1b3e;
    --dark-650: #1a1b4b;
    --dark-600: #0f172a;
    --dark-500: #12275a;
    --dark-400: #1e293b;
    --on-dark-1: rgba(255, 255, 255, .95);
    --on-dark-2: rgba(255, 255, 255, .72);
    --on-dark-3: rgba(255, 255, 255, .5);
    --on-dark-4: rgba(255, 255, 255, .34);

    /* 渐变 */
    --grad-primary: linear-gradient(135deg, #165dff 0%, #0fc6c2 100%);
    --grad-primary-r: linear-gradient(90deg, #165dff 0%, #0fc6c2 100%);
    --grad-tri: linear-gradient(90deg, #165dff 0%, #0fc6c2 50%, #722ed1 100%);
    --grad-dark: linear-gradient(135deg, #0a0f1e 0%, #0f172a 50%, #1e293b 100%);
    --grad-dark-alt: linear-gradient(120deg, #0a0f1e 0%, #0d1b3e 50%, #0a1a2e 100%);
    --grad-glass: linear-gradient(135deg, rgba(22, 93, 255, .10) 0%, rgba(15, 198, 194, .10) 100%);

    /* 圆角 */
    --r-xs: 4px;
    --r-sm: 6px;
    --r-md: 8px;
    --r-lg: 12px;
    --r-xl: 16px;
    --r-2xl: 20px;
    --r-3xl: 24px;
    --r-full: 999px;

    /* 阴影 */
    --sh-xs: 0 1px 2px rgba(31, 35, 41, .06);
    --sh-sm: 0 2px 8px rgba(31, 35, 41, .06);
    --sh-md: 0 4px 16px rgba(31, 35, 41, .08);
    --sh-lg: 0 8px 28px rgba(31, 35, 41, .10);
    --sh-xl: 0 16px 48px rgba(31, 35, 41, .12);
    --sh-primary: 0 8px 24px rgba(22, 93, 255, .28);
    --sh-primary-lg: 0 12px 40px rgba(22, 93, 255, .34);
    --sh-inset-dark: inset 0 1px 0 rgba(255, 255, 255, .06);

    /* 缓动 */
    --ease: cubic-bezier(.16, 1, .3, 1);
    --ease-out: cubic-bezier(0, 0, .2, 1);
    --dur: .3s;

    /* 字体 */
    --font: Inter, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
        "Source Han Sans CN", "Noto Sans SC", system-ui, -apple-system, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

    /* 布局 */
    --maxw: 1200px;
    --maxw-wide: 1400px;
    --header-h: 68px;
}

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

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-h) + 16px);
}

body {
    margin: 0;
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

body.no-scroll { overflow: hidden; }

h1, h2, h3, h4, h5, h6 { margin: 0; font-weight: 700; line-height: 1.25; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; transition: color var(--dur) var(--ease); }
img { max-width: 100%; height: auto; border: 0; vertical-align: middle; }
button { font-family: inherit; font-size: inherit; cursor: pointer; border: 0; background: none; }
input, textarea, select { font-family: inherit; font-size: inherit; }
table { border-collapse: collapse; width: 100%; }

:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
    border-radius: var(--r-xs);
}

::selection { background: rgba(22, 93, 255, .18); }

/* 滚动条 */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-sunk); }
::-webkit-scrollbar-thumb { background: #c9cdd4; border-radius: 999px; border: 2px solid var(--bg-sunk); }
::-webkit-scrollbar-thumb:hover { background: #a9aeb8; }

/* 跳转链接（无障碍） */
.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 999;
    padding: 10px 18px;
    background: var(--primary);
    color: #fff;
    border-radius: 0 0 var(--r-md) 0;
}
.skip-link:focus { left: 0; }

/* --------------------------------------------------------------------------
   3. 布局工具
   -------------------------------------------------------------------------- */
.container {
    width: 100%;
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 24px;
}
.container-wide { max-width: var(--maxw-wide); }

.section { padding: 84px 0; position: relative; }
.section-sm { padding: 56px 0; }
.section-dark { background: var(--grad-dark-alt); color: var(--on-dark-1); }
.section-gray { background: var(--bg); }

.sec-head { text-align: center; max-width: 760px; margin: 0 auto 52px; }
.sec-head h2 {
    font-size: clamp(26px, 3.2vw, 38px);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 14px;
    letter-spacing: -.01em;
}
.sec-head p { font-size: 16px; color: var(--text-2); line-height: 1.7; }
.section-dark .sec-head p { color: var(--on-dark-2); }

/* 区块小标签 */
.sec-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .04em;
    padding: 6px 14px;
    border-radius: var(--r-full);
    margin-bottom: 16px;
}
.sec-label::before {
    content: "";
    width: 6px; height: 6px;
    border-radius: 50%;
    background: currentColor;
    box-shadow: 0 0 8px currentColor;
}
.sec-label-primary { color: var(--primary); background: var(--primary-50); }
.sec-label-cyan { color: var(--cyan-dark); background: var(--cyan-50); }
.sec-label-purple { color: var(--purple); background: var(--purple-50); }
.section-dark .sec-label-primary { color: #7ba8ff; background: rgba(22, 93, 255, .14); }
.section-dark .sec-label-cyan { color: #4fded9; background: rgba(15, 198, 194, .14); }
.section-dark .sec-label-purple { color: #b78bf0; background: rgba(114, 46, 209, .16); }

/* 渐变文字 */
.grad-text {
    background: linear-gradient(135deg, #165dff 0%, #0fc6c2 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}
.section-dark .grad-text {
    background: linear-gradient(135deg, #7ba8ff 0%, #4fded9 100%);
    -webkit-background-clip: text;
    background-clip: text;
}

/* --------------------------------------------------------------------------
   4. 按钮
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 44px;
    padding: 0 24px;
    border-radius: var(--r-md);
    font-size: 15px;
    font-weight: 600;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
    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:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn-lg { height: 52px; padding: 0 32px; font-size: 16px; }
.btn-sm { height: 36px; padding: 0 16px; font-size: 14px; }
.btn-block { display: flex; width: 100%; }

.btn-primary {
    background: var(--grad-primary);
    background-size: 160% 160%;
    color: #fff;
    box-shadow: var(--sh-primary);
    animation: ctaGradientFlow 6s ease-in-out infinite;
}
.btn-primary:hover { box-shadow: var(--sh-primary-lg); }

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 1.5px solid var(--primary);
}
.btn-outline:hover { background: var(--primary-50); }

.btn-light {
    background: #fff;
    color: var(--primary);
    box-shadow: 0 6px 20px rgba(0, 0, 0, .16);
}
.btn-light:hover { box-shadow: 0 10px 30px rgba(0, 0, 0, .22); }

.btn-ghost-dark {
    background: rgba(255, 255, 255, .06);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, .22);
}
.btn-ghost-dark:hover {
    background: rgba(255, 255, 255, .12);
    border-color: rgba(15, 198, 194, .6);
    box-shadow: 0 8px 32px rgba(15, 198, 194, .22);
}

.btn-ghost {
    background: rgba(255, 255, 255, .06);
    color: var(--text);
    border: 1px solid var(--border);
}
.btn-ghost:hover { background: #fff; border-color: var(--primary); color: var(--primary); }

/* 悬停高光扫过 */
.btn-primary::after,
.btn-light::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .38), transparent);
    transform: translateX(-120%);
    pointer-events: none;
}
.btn-primary:hover::after,
.btn-light:hover::after { animation: sweepAcross .75s var(--ease); }

/* --------------------------------------------------------------------------
   5. 头部导航
   -------------------------------------------------------------------------- */
.site-header {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 900;
    height: var(--header-h);
    display: flex;
    align-items: center;
    background: transparent;
    transition: background-color .4s var(--ease), box-shadow .4s var(--ease),
        backdrop-filter .4s var(--ease), border-color .4s var(--ease);
    border-bottom: 1px solid transparent;
}
.site-header.scrolled {
    background: rgba(10, 15, 30, .86);
    backdrop-filter: blur(16px) saturate(160%);
    -webkit-backdrop-filter: blur(16px) saturate(160%);
    border-bottom-color: rgba(22, 93, 255, .18);
    box-shadow: 0 4px 30px rgba(0, 0, 0, .28);
}
/* 浅色内页头部 */
.site-header.solid-light {
    background: rgba(255, 255, 255, .92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom-color: var(--border-light);
}
.site-header.solid-light .logo-text,
.site-header.solid-light .main-nav a,
.site-header.solid-light .nav-toggle { color: var(--text); }
.site-header.solid-light .main-nav a { text-shadow: none; }
.site-header.solid-light .main-nav a:hover { text-shadow: none; color: var(--primary); }
.site-header.solid-light .main-nav a.active { color: var(--primary); }

.header-inner {
    display: flex;
    align-items: center;
    gap: 32px;
    width: 100%;
    max-width: var(--maxw-wide);
    margin: 0 auto;
    padding: 0 24px;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -.01em;
}
.logo-mark {
    width: 34px;
    height: 34px;
    border-radius: 9px;
    background: var(--grad-primary);
    color: #fff;
    display: grid;
    place-items: center;
    font-size: 17px;
    font-weight: 700;
    box-shadow: 0 4px 14px rgba(22, 93, 255, .38);
    animation: logoBreath 3.4s ease-in-out infinite;
}
.logo-text { color: #fff; transition: color .4s var(--ease); }

.main-nav { margin-left: auto; }
.main-nav ul { display: flex; align-items: center; gap: 28px; }
.main-nav a {
    position: relative;
    font-size: 14px;
    font-weight: 500;
    color: rgba(255, 255, 255, .85);
    text-shadow: 0 0 8px rgba(22, 93, 255, .3);
    transition: color var(--dur) var(--ease), text-shadow var(--dur) var(--ease);
    padding-bottom: 4px;
}
.main-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -2px;
    height: 2px;
    width: 0;
    background: var(--grad-primary-r);
    transition: width .3s var(--ease);
}
.main-nav a:hover {
    color: #fff;
    text-shadow: 0 0 12px rgba(22, 93, 255, .7), 0 0 24px rgba(15, 198, 194, .5);
}
.main-nav a:hover::after { width: 100%; }
.main-nav a.active {
    color: var(--cyan);
    text-shadow: 0 0 10px rgba(15, 198, 194, .6), 0 0 20px rgba(15, 198, 194, .4);
}
.main-nav a.active::after { width: 100%; }

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

.nav-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border-radius: var(--r-md);
    color: #fff;
    font-size: 20px;
    line-height: 1;
    place-items: center;
    transition: background-color var(--dur) var(--ease);
}
.nav-toggle:hover { background: rgba(255, 255, 255, .1); }

/* 移动端抽屉 */
.mobile-drawer {
    position: fixed;
    inset: var(--header-h) 0 0 0;
    z-index: 880;
    background: rgba(10, 15, 30, .98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 28px 24px;
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: opacity .3s var(--ease), transform .3s var(--ease), visibility .3s;
    overflow-y: auto;
}
.mobile-drawer.open { opacity: 1; visibility: visible; transform: translateY(0); }
.mobile-drawer nav a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
    font-size: 17px;
    font-weight: 500;
    color: var(--on-dark-1);
    border-bottom: 1px solid rgba(255, 255, 255, .07);
}
.mobile-drawer nav a.active { color: var(--cyan); }
.mobile-drawer nav a .chev { color: var(--on-dark-4); font-size: 18px; }
.mobile-drawer .drawer-cta { margin-top: 24px; }

/* 顶部滚动进度条 */
.scroll-progress {
    position: fixed;
    top: 0; left: 0;
    height: 2px;
    width: 0;
    background: var(--grad-tri);
    z-index: 950;
    transition: width .1s linear;
}

/* --------------------------------------------------------------------------
   6. Hero
   -------------------------------------------------------------------------- */
.hero {
    position: relative;
    overflow: hidden;
    padding: calc(var(--header-h) + 56px) 0 64px;
    background: var(--grad-dark-alt);
    color: var(--on-dark-1);
}
#heroCanvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
    pointer-events: none;
}
.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
    pointer-events: none;
}
.hero-glow.g1 {
    width: 620px; height: 620px;
    top: -240px; left: -160px;
    background: radial-gradient(circle, rgba(22, 93, 255, .40), transparent 68%);
}
.hero-glow.g2 {
    width: 520px; height: 520px;
    bottom: -220px; right: -120px;
    background: radial-gradient(circle, rgba(15, 198, 194, .30), transparent 68%);
}
.hero .container { position: relative; z-index: 2; }

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: 48px;
    align-items: center;
}
.hero-copy { max-width: 640px; }

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    font-size: 12.5px;
    font-weight: 600;
    color: #fff;
    border-radius: var(--r-md);
    background: var(--grad-primary);
    box-shadow: 0 0 20px rgba(22, 93, 255, .45);
    margin-bottom: 22px;
}
.hero-badge .pulse-dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: #fff;
    animation: pulseGlow 1.8s ease-in-out infinite;
}

.hero h1 {
    font-size: clamp(32px, 4.3vw, 54px);
    font-weight: 800;
    line-height: 1.18;
    letter-spacing: -.02em;
    margin-bottom: 22px;
}
.hero h1 em {
    font-style: normal;
    background: linear-gradient(135deg, #7ba8ff 0%, #4fded9 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}
.hero h1 .char {
    display: inline-block;
    opacity: 0;
    animation: charFloatIn .8s var(--ease) forwards;
}

.hero-sub {
    font-size: 16.5px;
    line-height: 1.78;
    color: var(--on-dark-2);
    margin-bottom: 18px;
    max-width: 560px;
}
.hero-note-line {
    font-size: 14.5px;
    color: var(--on-dark-2);
    margin-bottom: 30px;
    padding-left: 14px;
    border-left: 2px solid var(--cyan);
    line-height: 1.7;
}
.hero-note-line b {
    color: #fff;
    font-weight: 600;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 30px; }

.hero-platforms {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 9px 10px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, .10);
}
.hero-platforms .pl-label {
    flex: 0 0 100%;
    font-size: 12.5px;
    color: var(--on-dark-4);
    margin-bottom: 2px;
}
.hero-platforms span.pl {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--on-dark-2);
    padding: 6px 12px;
    border-radius: var(--r-md);
    background: rgba(255, 255, 255, .05);
    border: 1px solid rgba(255, 255, 255, .10);
    transition: all var(--dur) var(--ease);
}
.hero-platforms span.pl:hover {
    background: rgba(22, 93, 255, .18);
    border-color: rgba(22, 93, 255, .5);
    color: #fff;
    transform: translateY(-2px);
}
.pl-dot {
    width: 7px; height: 7px;
    border-radius: 50%;
    flex-shrink: 0;
}
.pl-doubao { background: linear-gradient(135deg, #4d6bfe, #1e3aff); }
.pl-qwen { background: linear-gradient(135deg, #722ed1, #b37feb); }
.pl-yuanbao { background: linear-gradient(135deg, #165dff, #0fc6c2); }
.pl-deepseek { background: linear-gradient(135deg, #165dff, #4d6bfe); }
.pl-wenxin { background: linear-gradient(135deg, #2932e1, #4e6ef2); }
.pl-kimi { background: linear-gradient(135deg, #1d2129, #4e5969); }

/* GEO 星球轨道 */
.hero-visual { position: relative; display: grid; place-items: center; min-height: 420px; }
.orbit-scene {
    position: relative;
    width: 100%;
    max-width: 560px;
    aspect-ratio: 560 / 420;
}
.orbit-rings { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.orbit-rings ellipse { fill: none; }
.ring-1 { stroke: rgba(22, 93, 255, .30); stroke-width: 1; stroke-dasharray: 5 7; animation: ringSpinSlow 42s linear infinite; transform-origin: center; }
.ring-2 { stroke: rgba(15, 198, 194, .28); stroke-width: 1; stroke-dasharray: 4 6; animation: ringSpinMedium 30s linear infinite reverse; transform-origin: center; }
.ring-3 { stroke: rgba(114, 46, 209, .20); stroke-width: 1; stroke-dasharray: 3 8; animation: ringSpinFast 22s linear infinite; transform-origin: center; }

.orbit-stars { position: absolute; inset: 0; }
.orbit-star {
    position: absolute;
    border-radius: 50%;
    background: #fff;
    animation: breathing var(--d, 3s) ease-in-out infinite;
}

.orbit-core {
    position: absolute;
    left: 50%; top: 50%;
    width: 132px; height: 132px;
    margin: -66px 0 0 -66px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: radial-gradient(circle at 34% 28%, #4d8bff 0%, #165dff 42%, #0a3fb8 100%);
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, .16) inset,
        0 0 48px rgba(22, 93, 255, .65),
        0 0 96px rgba(15, 198, 194, .30);
    animation: centerGlowPulse 4s ease-in-out infinite;
    z-index: 2;
}
.orbit-core strong {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: .06em;
    color: #fff;
    text-shadow: 0 2px 14px rgba(0, 0, 0, .35);
}
.orbit-core::after {
    content: "";
    position: absolute;
    inset: -14px;
    border-radius: 50%;
    border: 1px solid rgba(15, 198, 194, .34);
    animation: pulseGlow 3.2s ease-out infinite;
}

.orbit-icon {
    position: absolute;
    left: 0; top: 0;
    width: 46px; height: 46px;
    border-radius: var(--r-lg);
    display: grid;
    place-items: center;
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    background: rgba(255, 255, 255, .1);
    border: 1px solid rgba(255, 255, 255, .18);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, .3);
    will-change: transform;
    transform: translate(-50%, -50%);
}
.orbit-icon[data-c="doubao"] { background: linear-gradient(135deg, #4d6bfe, #1e3aff); }
.orbit-icon[data-c="qwen"] { background: linear-gradient(135deg, #722ed1, #b37feb); }
.orbit-icon[data-c="yuanbao"] { background: linear-gradient(135deg, #165dff, #0fc6c2); }
.orbit-icon[data-c="deepseek"] { background: linear-gradient(135deg, #165dff, #4d6bfe); }
.orbit-icon[data-c="kimi"] { background: linear-gradient(135deg, #4e5969, #1d2129); }
.orbit-icon[data-c="wenxin"] { background: linear-gradient(135deg, #2932e1, #4e6ef2); }

.orbit-comet {
    position: absolute;
    left: 0; top: 0;
    width: 10px; height: 10px;
    border-radius: 50%;
    background: #4fded9;
    box-shadow: 0 0 12px 2px rgba(15, 198, 194, .85);
    will-change: transform;
}
.orbit-comet::before {
    content: "";
    position: absolute;
    right: 0; top: 50%;
    width: 74px; height: 2px;
    transform: translateY(-50%);
    border-radius: 2px;
    background: linear-gradient(90deg, transparent, rgba(15, 198, 194, .8));
    transform-origin: right center;
}
.orbit-comet.c2 {
    background: #7ba8ff;
    box-shadow: 0 0 12px 2px rgba(22, 93, 255, .85);
}
.orbit-comet.c2::before { background: linear-gradient(90deg, transparent, rgba(22, 93, 255, .8)); }

/* Hero 粒子 */
.hero-particles { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
.hero-particle {
    position: absolute;
    bottom: -12px;
    border-radius: 50%;
    background: rgba(123, 168, 255, .55);
    animation: particleRise linear infinite;
}
.hero-particle.c { background: rgba(79, 222, 217, .55); }

/* --------------------------------------------------------------------------
   7. 数据带
   -------------------------------------------------------------------------- */
.stats-band {
    position: relative;
    z-index: 3;
    margin-top: -46px;
}
.stats-card {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: rgba(22, 93, 255, .16);
    border: 1px solid rgba(22, 93, 255, .18);
    border-radius: var(--r-2xl);
    overflow: hidden;
    background-color: rgba(10, 15, 30, .92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, .34);
}
.stat-item {
    padding: 30px 26px;
    text-align: center;
    background: rgba(255, 255, 255, .015);
    transition: background-color var(--dur) var(--ease);
}
.stat-item:hover { background: rgba(22, 93, 255, .08); }
.stat-value {
    font-size: clamp(28px, 3.4vw, 40px);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -.02em;
    background: linear-gradient(135deg, #7ba8ff 0%, #4fded9 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}
.stat-label { font-size: 13.5px; color: var(--on-dark-3); margin-top: 8px; }

/* --------------------------------------------------------------------------
   8. 痛点卡
   -------------------------------------------------------------------------- */
.pain-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.pain-card {
    position: relative;
    padding: 28px 26px 26px;
    border-radius: var(--r-xl);
    background: #fff;
    border: 1px solid var(--border-light);
    box-shadow: var(--sh-sm);
    overflow: hidden;
    transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease);
}
.pain-card::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(115deg, transparent 30%, rgba(22, 93, 255, .07) 50%, transparent 70%);
    transform: translateX(-100%);
    pointer-events: none;
}
.pain-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--sh-lg);
    border-color: rgba(22, 93, 255, .28);
}
.pain-card:hover::after { animation: lightSweep .9s var(--ease); }
.pain-num {
    position: absolute;
    right: 18px;
    top: 10px;
    font-size: 56px;
    font-weight: 900;
    line-height: 1;
    color: rgba(22, 93, 255, .07);
    letter-spacing: -.04em;
    pointer-events: none;
}
.pain-icon {
    width: 46px; height: 46px;
    border-radius: var(--r-lg);
    display: grid;
    place-items: center;
    font-size: 22px;
    margin-bottom: 16px;
    background: var(--grad-glass);
    border: 1px solid rgba(22, 93, 255, .16);
}
.pain-card h3 { font-size: 17px; font-weight: 600; margin-bottom: 10px; }
.pain-card p { font-size: 14.5px; line-height: 1.72; color: var(--text-2); }

/* --------------------------------------------------------------------------
   9. 对比表
   -------------------------------------------------------------------------- */
.compare-wrap {
    border-radius: var(--r-xl);
    overflow: hidden;
    border: 1px solid rgba(22, 93, 255, .18);
    background: rgba(255, 255, 255, .04);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}
.compare-table { width: 100%; font-size: 14.5px; }
.compare-table th,
.compare-table td {
    padding: 17px 20px;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, .07);
    vertical-align: top;
}
.compare-table thead th {
    font-size: 14px;
    font-weight: 600;
    color: var(--on-dark-1);
    background: rgba(22, 93, 255, .10);
}
.compare-table thead th:nth-child(2) {
    color: #fff;
    background: linear-gradient(135deg, rgba(22, 93, 255, .30), rgba(15, 198, 194, .18));
    border-bottom-color: rgba(15, 198, 194, .34);
}
.compare-table tbody tr:last-child td { border-bottom: 0; }
.compare-table tbody tr:hover td { background: rgba(255, 255, 255, .035); }
.compare-table td:first-child { color: var(--on-dark-3); font-weight: 500; width: 22%; }
.compare-table td:nth-child(2) { color: #fff; font-weight: 500; }
.compare-table td:nth-child(3) { color: var(--on-dark-3); }

/* --------------------------------------------------------------------------
   10. AI 回答流程 / 步骤
   -------------------------------------------------------------------------- */
.flow-line {
    position: relative;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    margin-top: 12px;
}
.flow-line::before {
    content: "";
    position: absolute;
    left: 8%;
    right: 8%;
    top: 26px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(22, 93, 255, .55) 40%, rgba(15, 198, 194, .55) 60%, transparent);
    overflow: hidden;
    z-index: 0;
}
.flow-node {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 0 6px;
}
.flow-dot {
    width: 52px; height: 52px;
    margin: 0 auto 14px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    background: rgba(22, 93, 255, .14);
    border: 1px solid rgba(22, 93, 255, .4);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .08), 0 8px 24px rgba(22, 93, 255, .28);
    animation: timelinePulse 3.6s ease-in-out infinite;
    transition: background-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.flow-node:nth-child(2) .flow-dot { animation-delay: .3s; }
.flow-node:nth-child(3) .flow-dot { animation-delay: .6s; }
.flow-node:nth-child(4) .flow-dot { animation-delay: .9s; }
.flow-node:nth-child(5) .flow-dot { animation-delay: 1.2s; }
.flow-node:hover .flow-dot { transform: scale(1.08); background: rgba(15, 198, 194, .26); }
.flow-node strong { display: block; font-size: 14.5px; font-weight: 600; color: var(--on-dark-1); margin-bottom: 4px; }
.flow-node span { font-size: 12.5px; color: var(--on-dark-4); }

/* 服务流程三/四步卡 */
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.step-card {
    position: relative;
    padding: 28px 24px;
    border-radius: var(--r-xl);
    background: #fff;
    border: 1px solid var(--border-light);
    box-shadow: var(--sh-sm);
    transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease);
}
.step-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--sh-lg);
    border-color: rgba(22, 93, 255, .3);
}
.step-badge {
    display: inline-block;
    font-size: 12.5px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: var(--r-full);
    color: #fff;
    background: var(--grad-primary-r);
    margin-bottom: 14px;
    box-shadow: 0 4px 14px rgba(22, 93, 255, .3);
}
.step-card h3 { font-size: 17px; font-weight: 600; margin-bottom: 10px; }
.step-card p { font-size: 14px; line-height: 1.72; color: var(--text-2); }

/* --------------------------------------------------------------------------
   11. 检测表单 / 报告
   -------------------------------------------------------------------------- */
.detect-panel {
    max-width: 760px;
    margin: 0 auto;
    padding: 34px 32px;
    border-radius: var(--r-2xl);
    background: rgba(255, 255, 255, .05);
    border: 1px solid rgba(22, 93, 255, .26);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .07), 0 20px 60px rgba(0, 0, 0, .3);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}
.form-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.field { position: relative; }
.field label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--on-dark-2);
    margin-bottom: 8px;
}
.field label i { color: var(--danger); font-style: normal; margin-left: 2px; }
.field input,
.field select,
.field textarea {
    width: 100%;
    height: 46px;
    padding: 0 14px;
    border-radius: var(--r-md);
    color: #fff;
    background: rgba(255, 255, 255, .06);
    border: 1px solid rgba(255, 255, 255, .14);
    outline: none;
    transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
        background-color var(--dur) var(--ease);
}
.field textarea { height: auto; padding: 12px 14px; resize: vertical; min-height: 96px; line-height: 1.6; }
.field input::placeholder,
.field textarea::placeholder { color: var(--on-dark-4); }
.field input:focus,
.field select:focus,
.field textarea:focus {
    border-color: rgba(15, 198, 194, .7);
    background: rgba(255, 255, 255, .09);
    box-shadow: 0 0 0 3px rgba(15, 198, 194, .16);
}
.field.err input,
.field.err select { border-color: rgba(245, 63, 63, .8); }
.field .hint { font-size: 12px; color: var(--on-dark-4); margin-top: 6px; }
.field .err-msg { display: none; font-size: 12px; color: #ff8080; margin-top: 6px; }
.field.err .err-msg { display: block; }

/* 行业下拉 */
.combo { position: relative; }
.combo-list {
    position: absolute;
    left: 0; right: 0;
    top: calc(100% + 6px);
    z-index: 30;
    max-height: 256px;
    overflow-y: auto;
    border-radius: var(--r-md);
    background: rgba(13, 21, 45, .97);
    border: 1px solid rgba(22, 93, 255, .3);
    box-shadow: 0 16px 44px rgba(0, 0, 0, .5);
    display: none;
}
.combo.open .combo-list { display: block; }
.combo-list li {
    padding: 11px 14px;
    font-size: 14px;
    color: var(--on-dark-2);
    cursor: pointer;
    transition: background-color .18s var(--ease), color .18s var(--ease);
}
.combo-list li:hover,
.combo-list li.hl { background: rgba(22, 93, 255, .22); color: #fff; }
.combo-list .empty { padding: 14px; font-size: 12.5px; color: var(--on-dark-4); cursor: default; }

.detect-foot {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-top: 22px;
}
.agree {
    display: flex;
    align-items: center;
    gap: 9px;
    font-size: 13px;
    color: var(--on-dark-3);
    cursor: pointer;
}
.agree input[type="checkbox"] {
    width: 16px; height: 16px;
    accent-color: var(--primary);
    cursor: pointer;
}
.agree a { color: var(--cyan); text-decoration: underline; text-underline-offset: 3px; }
.form-tip { font-size: 12.5px; color: var(--on-dark-4); text-align: center; margin-top: 14px; }

/* 检测进度 */
.detect-progress { display: none; padding: 18px 0 6px; }
.detect-progress.on { display: block; }
.progress-track { height: 4px; border-radius: 999px; background: rgba(255, 255, 255, .1); overflow: hidden; }
.progress-fill {
    height: 100%;
    width: 0;
    border-radius: 999px;
    background: var(--grad-primary-r);
    transition: width .5s var(--ease);
}
.progress-steps { display: flex; justify-content: space-between; margin-top: 12px; }
.progress-steps span {
    font-size: 12px;
    color: var(--on-dark-4);
    transition: color .3s var(--ease);
}
.progress-steps span.on { color: var(--cyan); font-weight: 600; }

/* 检测报告 */
.report {
    display: none;
    max-width: 900px;
    margin: 28px auto 0;
    padding: 32px 30px;
    border-radius: var(--r-2xl);
    background: rgba(255, 255, 255, .05);
    border: 1px solid rgba(22, 93, 255, .26);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .07), 0 20px 60px rgba(0, 0, 0, .3);
}
.report.on { display: block; animation: floatUp .6s var(--ease); }
.report-head { text-align: center; padding-bottom: 22px; border-bottom: 1px solid rgba(255, 255, 255, .08); }
.report-head h3 { font-size: 20px; color: #fff; margin-bottom: 8px; }
.report-head p { font-size: 13px; color: var(--on-dark-4); }
.score-row {
    display: grid;
    grid-template-columns: 190px 1fr;
    gap: 30px;
    align-items: center;
    padding: 26px 0;
}
.score-ring { position: relative; width: 170px; height: 170px; margin: 0 auto; }
.score-ring svg { transform: rotate(-90deg); width: 100%; height: 100%; }
.score-ring .track { fill: none; stroke: rgba(255, 255, 255, .1); stroke-width: 10; }
.score-ring .bar {
    fill: none;
    stroke: url(#scoreGrad);
    stroke-width: 10;
    stroke-linecap: round;
    stroke-dasharray: 440;
    stroke-dashoffset: 440;
    transition: stroke-dashoffset 1.4s var(--ease);
}
.score-ring .inner {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    align-content: center;
}
.score-ring .num {
    font-size: 40px;
    font-weight: 800;
    line-height: 1;
    background: linear-gradient(135deg, #165DFF, #0FC6C2);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.score-ring .unit { font-size: 13px; color: var(--on-dark-4); margin-top: 4px; }

.metric-list { display: grid; gap: 16px; }
.metric-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    font-size: 13.5px;
    margin-bottom: 7px;
}
.metric-head .k { color: var(--on-dark-2); }
.metric-head .v { color: #fff; font-weight: 700; }
.metric-bar { height: 7px; border-radius: 999px; background: rgba(255, 255, 255, .09); overflow: hidden; }
.metric-bar i {
    display: block;
    height: 100%;
    width: 0;
    border-radius: 999px;
    background: var(--grad-primary-r);
    transition: width 1.2s var(--ease);
}

.report-block { padding-top: 24px; }
.report-block h4 { font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 16px; }
.suggest-list { display: grid; gap: 14px; }
.suggest-item {
    display: flex;
    gap: 14px;
    padding: 16px 18px;
    border-radius: var(--r-lg);
    background: rgba(255, 255, 255, .04);
    border: 1px solid rgba(22, 93, 255, .16);
}
.suggest-item .n {
    flex-shrink: 0;
    width: 26px; height: 26px;
    border-radius: var(--r-sm);
    display: grid;
    place-items: center;
    font-size: 13px;
    font-weight: 700;
    color: #fff;
    background: var(--grad-primary);
}
.suggest-item strong { display: block; font-size: 14.5px; color: #fff; margin-bottom: 5px; font-weight: 600; }
.suggest-item p { font-size: 13px; color: var(--on-dark-3); line-height: 1.7; }
.report-actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; padding-top: 26px; }

/* --------------------------------------------------------------------------
   12. 案例
   -------------------------------------------------------------------------- */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.case-card {
    position: relative;
    display: flex;
    flex-direction: column;
    border-radius: var(--r-xl);
    overflow: hidden;
    background: #fff;
    border: 1px solid var(--border-light);
    box-shadow: var(--sh-sm);
    transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease);
}
.case-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--sh-lg);
    border-color: rgba(22, 93, 255, .3);
}
.case-cover {
    position: relative;
    aspect-ratio: 16 / 9;
    display: grid;
    place-items: center;
    overflow: hidden;
    background: var(--grad-dark-alt);
}
.case-cover::before {
    content: "";
    position: absolute;
    inset: 0;
    opacity: .22;
}
.case-cover .ring-deco {
    position: absolute;
    width: 130px; height: 130px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, .35);
    top: -34px; right: -34px;
}
.case-cover .ring-deco.b {
    width: 76px; height: 76px;
    top: auto; right: auto;
    bottom: -18px; left: -18px;
    border-color: rgba(15, 198, 194, .5);
}
.case-cover .metric {
    position: relative;
    z-index: 1;
    text-align: center;
}
.case-cover .metric b {
    display: block;
    font-size: 34px;
    font-weight: 800;
    line-height: 1.1;
    background: linear-gradient(135deg, #7ba8ff, #4fded9);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.case-cover .metric span { font-size: 12.5px; color: var(--on-dark-3); }
.case-tag {
    position: absolute;
    left: 14px; top: 14px;
    z-index: 2;
    font-size: 11.5px;
    font-weight: 600;
    color: #fff;
    padding: 4px 10px;
    border-radius: var(--r-full);
    background: rgba(255, 255, 255, .14);
    border: 1px solid rgba(255, 255, 255, .22);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}
.case-body { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.case-body h3 {
    font-size: 16.5px;
    font-weight: 600;
    margin-bottom: 8px;
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.case-body .desc {
    font-size: 14px;
    color: var(--text-2);
    line-height: 1.7;
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.case-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: auto;
    padding-top: 14px;
    border-top: 1px solid var(--border-light);
}
.case-meta span {
    font-size: 12px;
    color: var(--text-3);
    padding: 4px 10px;
    border-radius: var(--r-full);
    background: var(--bg);
}
.case-meta span.hl { color: var(--primary); background: var(--primary-50); font-weight: 600; }

/* --------------------------------------------------------------------------
   13. 服务方案 / 定价
   -------------------------------------------------------------------------- */
.solution-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.solution-card {
    position: relative;
    padding: 34px 32px;
    border-radius: var(--r-2xl);
    overflow: hidden;
    background: rgba(255, 255, 255, .05);
    border: 1px solid rgba(22, 93, 255, .2);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .06);
    transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease);
}
.solution-card:hover {
    transform: translateY(-6px);
    border-color: rgba(15, 198, 194, .5);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .08), 0 12px 40px rgba(15, 198, 194, .2);
}
.solution-card.hl {
    background: linear-gradient(160deg, rgba(22, 93, 255, .16) 0%, rgba(15, 198, 194, .09) 100%);
    border-color: rgba(15, 198, 194, .42);
}
.solution-card h3 { font-size: 21px; font-weight: 700; color: #fff; margin-bottom: 10px; }
.solution-card .sd { font-size: 14.5px; color: var(--on-dark-2); margin-bottom: 20px; line-height: 1.7; }
.solution-card ul { display: grid; gap: 11px; margin-bottom: 26px; }
.solution-card li {
    position: relative;
    padding-left: 24px;
    font-size: 14px;
    color: var(--on-dark-2);
    line-height: 1.65;
}
.solution-card li::before {
    content: "";
    position: absolute;
    left: 0; top: 8px;
    width: 14px; height: 8px;
    border-left: 2px solid var(--cyan);
    border-bottom: 2px solid var(--cyan);
    transform: rotate(-45deg);
}
.plan-tag {
    position: absolute;
    right: 0; top: 0;
    font-size: 12px;
    font-weight: 600;
    color: #fff;
    padding: 6px 16px;
    border-radius: 0 var(--r-2xl) 0 var(--r-lg);
    background: var(--grad-primary-r);
}

.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: stretch; }
.price-card {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 32px 28px;
    border-radius: var(--r-xl);
    background: #fff;
    border: 1px solid var(--border-light);
    box-shadow: var(--sh-sm);
    transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease);
}
.price-card:hover { transform: translateY(-6px); box-shadow: var(--sh-lg); border-color: rgba(22, 93, 255, .3); }
.price-card.featured {
    border-color: rgba(22, 93, 255, .45);
    box-shadow: 0 12px 40px rgba(22, 93, 255, .2);
    transform: scale(1.02);
}
.price-card.featured:hover { transform: scale(1.02) translateY(-6px); }
.price-name { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.price-for { font-size: 13px; color: var(--text-3); margin-bottom: 20px; line-height: 1.6; min-height: 42px; }
.price-num {
    display: flex;
    align-items: baseline;
    gap: 4px;
    padding-bottom: 20px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-light);
}
.price-num .cur { font-size: 17px; font-weight: 600; color: var(--primary); }
.price-num .v {
    font-size: 38px;
    font-weight: 800;
    letter-spacing: -.02em;
    background: linear-gradient(135deg, #165dff, #0fc6c2);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
}
.price-num .unit { font-size: 14px; color: var(--text-3); }
.price-card ul { display: grid; gap: 11px; margin-bottom: 26px; flex: 1; }
.price-card li {
    position: relative;
    padding-left: 23px;
    font-size: 13.5px;
    color: var(--text-2);
    line-height: 1.65;
}
.price-card li::before {
    content: "";
    position: absolute;
    left: 0; top: 7px;
    width: 13px; height: 7px;
    border-left: 2px solid var(--primary);
    border-bottom: 2px solid var(--primary);
    transform: rotate(-45deg);
}
.price-notes {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px 22px;
    margin-top: 28px;
    font-size: 13px;
    color: var(--text-3);
}
.price-notes span::before { content: "· "; color: var(--primary); font-weight: 700; }

/* --------------------------------------------------------------------------
   14. 系统功能 / 能力卡
   -------------------------------------------------------------------------- */
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feat-card {
    padding: 26px 24px;
    border-radius: var(--r-xl);
    background: rgba(255, 255, 255, .04);
    border: 1px solid rgba(22, 93, 255, .18);
    box-shadow: var(--sh-inset-dark);
    transition: transform .4s var(--ease), border-color .4s var(--ease),
        background-color .4s var(--ease), box-shadow .4s var(--ease);
}
.feat-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, .07);
    border-color: rgba(15, 198, 194, .5);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .08), 0 8px 32px rgba(15, 198, 194, .18);
}
.feat-icon {
    width: 44px; height: 44px;
    border-radius: var(--r-lg);
    display: grid;
    place-items: center;
    font-size: 20px;
    margin-bottom: 15px;
    background: rgba(22, 93, 255, .18);
    border: 1px solid rgba(22, 93, 255, .34);
}
.feat-card h3 { font-size: 16px; font-weight: 600; color: #fff; margin-bottom: 9px; }
.feat-card p { font-size: 13.5px; line-height: 1.72; color: var(--on-dark-3); }

/* --------------------------------------------------------------------------
   15. 为什么选我们 / 发展历程
   -------------------------------------------------------------------------- */
.why-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.why-item {
    display: flex;
    gap: 16px;
    padding: 22px 22px;
    border-radius: var(--r-lg);
    background: rgba(255, 255, 255, .04);
    border: 1px solid rgba(22, 93, 255, .16);
    transition: transform .4s var(--ease), border-color .4s var(--ease), background-color .4s var(--ease);
}
.why-item:hover {
    transform: translateX(5px);
    background: rgba(255, 255, 255, .07);
    border-color: rgba(15, 198, 194, .42);
}
.why-item .wi-icon {
    flex-shrink: 0;
    width: 40px; height: 40px;
    border-radius: var(--r-md);
    display: grid;
    place-items: center;
    font-size: 19px;
    background: rgba(15, 198, 194, .16);
    border: 1px solid rgba(15, 198, 194, .34);
}
.why-item h4 { font-size: 15.5px; font-weight: 600; color: #fff; margin-bottom: 7px; }
.why-item p { font-size: 13.5px; line-height: 1.7; color: var(--on-dark-3); }

.timeline { position: relative; padding-left: 34px; }
.timeline::before {
    content: "";
    position: absolute;
    left: 9px; top: 6px; bottom: 6px;
    width: 2px;
    background: linear-gradient(180deg, rgba(22, 93, 255, .7), rgba(15, 198, 194, .5), rgba(114, 46, 209, .3));
}
.tl-item { position: relative; padding-bottom: 30px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
    content: "";
    position: absolute;
    left: -33px; top: 5px;
    width: 14px; height: 14px;
    border-radius: 50%;
    background: var(--grad-primary);
    border: 3px solid var(--dark-800);
    animation: timelinePulse 3s ease-in-out infinite;
}
.tl-item .tl-time {
    display: inline-block;
    font-size: 12.5px;
    font-weight: 700;
    color: var(--cyan);
    padding: 3px 11px;
    border-radius: var(--r-full);
    background: rgba(15, 198, 194, .14);
    border: 1px solid rgba(15, 198, 194, .32);
    margin-bottom: 10px;
}
.tl-item h4 { font-size: 16px; font-weight: 600; color: #fff; margin-bottom: 7px; }
.tl-item p { font-size: 13.5px; line-height: 1.72; color: var(--on-dark-3); }

/* --------------------------------------------------------------------------
   16. 覆盖行业
    -------------------------------------------------------------------------- */
.ind-tags { display: flex; flex-wrap: wrap; gap: 11px; justify-content: center; }
.ind-tag {
    font-size: 13.5px;
    color: var(--on-dark-2);
    padding: 9px 18px;
    border-radius: var(--r-full);
    background: rgba(255, 255, 255, .05);
    border: 1px solid rgba(255, 255, 255, .11);
    transition: all var(--dur) var(--ease);
}
.ind-tag:hover {
    color: #fff;
    background: rgba(22, 93, 255, .2);
    border-color: rgba(22, 93, 255, .55);
    transform: translateY(-3px);
    box-shadow: 0 8px 22px rgba(22, 93, 255, .28);
}

/* --------------------------------------------------------------------------
   17. FAQ
   -------------------------------------------------------------------------- */
.faq-list { max-width: 840px; margin: 0 auto; display: grid; gap: 12px; }
.faq-item {
    border-radius: var(--r-lg);
    background: rgba(255, 255, 255, .04);
    border: 1px solid rgba(22, 93, 255, .16);
    overflow: hidden;
    transition: border-color .35s var(--ease), background-color .35s var(--ease);
}
.faq-item:hover { border-color: rgba(22, 93, 255, .34); }
.faq-item.open {
    background: rgba(22, 93, 255, .09);
    border-color: rgba(15, 198, 194, .42);
}
.faq-q {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 19px 22px;
    text-align: left;
    font-size: 15.5px;
    font-weight: 500;
    color: var(--on-dark-1);
    transition: color var(--dur) var(--ease);
}
.faq-q:hover { color: var(--cyan); }
.faq-q .ico {
    flex-shrink: 0;
    width: 24px; height: 24px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-size: 15px;
    color: var(--cyan);
    background: rgba(15, 198, 194, .14);
    border: 1px solid rgba(15, 198, 194, .3);
    transition: transform .35s var(--ease), background-color .35s var(--ease);
}
.faq-item.open .faq-q .ico { transform: rotate(45deg); background: rgba(15, 198, 194, .3); }
.faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height .45s var(--ease);
}
.faq-a .inner {
    padding: 0 22px 20px;
    font-size: 14px;
    line-height: 1.8;
    color: var(--on-dark-2);
}
.faq-more { text-align: center; margin-top: 24px; }

/* 浅色页面的 FAQ */
.faq-light .faq-item { background: #fff; border-color: var(--border-light); }
.faq-light .faq-item:hover { border-color: rgba(22, 93, 255, .3); }
.faq-light .faq-item.open { background: var(--primary-50); border-color: rgba(15, 198, 194, .4); }
.faq-light .faq-q { color: var(--text); }
.faq-light .faq-a .inner { color: var(--text-2); }

/* --------------------------------------------------------------------------
   18. 关于 / CTA
   -------------------------------------------------------------------------- */
.about-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: start; }
.about-panel {
    position: relative;
    padding: 32px 30px;
    border-radius: var(--r-2xl);
    background: rgba(255, 255, 255, .04);
    border: 1px solid rgba(22, 93, 255, .18);
    box-shadow: var(--sh-inset-dark);
    overflow: hidden;
}
.about-panel .glow {
    position: absolute;
    width: 320px; height: 320px;
    border-radius: 50%;
    filter: blur(90px);
    background: rgba(15, 198, 194, .22);
    top: -120px; right: -100px;
    pointer-events: none;
}
.about-panel .eyebrow { font-size: 13px; font-weight: 600; color: var(--cyan); margin-bottom: 12px; }
.about-panel h3 { font-size: 21px; font-weight: 700; color: #fff; margin-bottom: 16px; line-height: 1.4; }
.about-panel p { font-size: 14.5px; line-height: 1.85; color: var(--on-dark-2); margin-bottom: 14px; }
.about-panel p:last-child { margin-bottom: 0; }

.cta-panel {
    position: relative;
    padding: 44px 40px;
    border-radius: var(--r-3xl);
    overflow: hidden;
    background: var(--grad-dark);
    border: 1px solid rgba(22, 93, 255, .3);
    box-shadow: 0 20px 70px rgba(0, 0, 0, .4);
}
.cta-panel::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 12% 20%, rgba(22, 93, 255, .28), transparent 46%),
        radial-gradient(circle at 88% 82%, rgba(15, 198, 194, .22), transparent 46%);
    pointer-events: none;
}
.cta-inner { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: start; }
.cta-inner h2 { font-size: clamp(24px, 2.8vw, 32px); font-weight: 700; color: #fff; margin-bottom: 14px; line-height: 1.32; }
.cta-inner > div > p { font-size: 15px; color: var(--on-dark-2); line-height: 1.8; margin-bottom: 22px; }
.cta-gifts { display: grid; gap: 12px; }
.cta-gifts li {
    position: relative;
    padding-left: 26px;
    font-size: 14px;
    color: var(--on-dark-2);
}
.cta-gifts li::before {
    content: "";
    position: absolute;
    left: 0; top: 7px;
    width: 15px; height: 8px;
    border-left: 2px solid var(--cyan);
    border-bottom: 2px solid var(--cyan);
    transform: rotate(-45deg);
}

.cta-form {
    padding: 28px 26px;
    border-radius: var(--r-xl);
    background: rgba(255, 255, 255, .06);
    border: 1px solid rgba(255, 255, 255, .12);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}
.cta-form .field { margin-bottom: 16px; }
.cta-form .field:last-of-type { margin-bottom: 20px; }

.form-ok {
    display: none;
    text-align: center;
    padding: 22px 10px;
}
.form-ok.on { display: block; animation: floatUp .6s var(--ease); }
.form-ok .ok-ico {
    width: 58px; height: 58px;
    margin: 0 auto 16px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-size: 28px;
    color: #fff;
    background: var(--grad-primary);
    box-shadow: 0 8px 28px rgba(22, 93, 255, .42);
}
.form-ok h3 { font-size: 19px; color: #fff; margin-bottom: 10px; }
.form-ok p { font-size: 14px; color: var(--on-dark-2); line-height: 1.75; }

/* --------------------------------------------------------------------------
   19. 页脚
   -------------------------------------------------------------------------- */
.site-footer {
    position: relative;
    background: var(--dark-800);
    color: var(--on-dark-2);
    border-top: 1px solid rgba(22, 93, 255, .16);
}
.footer-main {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1.3fr;
    gap: 48px;
    padding: 56px 0 44px;
}
.footer-brand .logo { margin-bottom: 18px; }
.footer-brand p { font-size: 13.5px; line-height: 1.8; color: var(--on-dark-3); margin-bottom: 20px; max-width: 380px; }
.footer-social { display: flex; flex-wrap: wrap; gap: 10px; }
.footer-social a {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 12.5px;
    color: var(--on-dark-2);
    padding: 7px 14px;
    border-radius: var(--r-full);
    background: rgba(255, 255, 255, .05);
    border: 1px solid rgba(255, 255, 255, .1);
    transition: all var(--dur) var(--ease);
}
.footer-social a:hover {
    color: #fff;
    background: rgba(22, 93, 255, .2);
    border-color: rgba(22, 93, 255, .5);
    transform: translateY(-2px);
}
.footer-col h4 { font-size: 14.5px; font-weight: 600; color: #fff; margin-bottom: 18px; }
.footer-col ul { display: grid; gap: 11px; }
.footer-col li a,
.footer-col li span { font-size: 13.5px; color: var(--on-dark-3); line-height: 1.6; }
.footer-col li a:hover { color: var(--cyan); }

.qr-row { display: flex; gap: 22px; flex-wrap: wrap; }
.qr-item { text-align: center; }
.qr-box {
    width: 104px; height: 104px;
    border-radius: var(--r-lg);
    background: rgba(255, 255, 255, .06);
    border: 1px solid rgba(255, 255, 255, .12);
    display: grid;
    place-items: center;
    padding: 7px;
    margin-bottom: 9px;
    overflow: hidden;
}
.qr-box img { width: 100%; height: 100%; object-fit: contain; border-radius: 6px; background: #fff; }
.qr-box .ph { font-size: 11px; color: var(--on-dark-4); line-height: 1.4; text-align: center; }
.qr-item span { font-size: 12.5px; color: var(--on-dark-3); display: block; }
.qr-item b { display: block; font-size: 12.5px; color: var(--cyan); font-family: var(--font-mono); margin-top: 3px; }

.footer-contact { display: grid; gap: 12px; margin-top: 22px; }
.footer-contact div {
    display: flex;
    gap: 10px;
    font-size: 13.5px;
    color: var(--on-dark-3);
    line-height: 1.65;
}
.footer-contact .k { color: var(--on-dark-4); flex-shrink: 0; }

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .06);
    background: var(--dark-900);
    padding: 20px 0;
}
.footer-bottom .inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    font-size: 12.5px;
    color: var(--on-dark-4);
}
.footer-bottom a { color: var(--on-dark-3); }
.footer-bottom a:hover { color: var(--cyan); }
.footer-bottom .links { display: flex; flex-wrap: wrap; gap: 16px; }

/* --------------------------------------------------------------------------
   20. 浮动按钮 / 回顶
   -------------------------------------------------------------------------- */
.float-side {
    position: fixed;
    right: 20px;
    bottom: 96px;
    z-index: 800;
    display: grid;
    gap: 10px;
}
.float-btn {
    position: relative;
    width: 46px; height: 46px;
    border-radius: var(--r-lg);
    display: grid;
    place-items: center;
    font-size: 18px;
    color: #fff;
    background: rgba(10, 15, 30, .86);
    border: 1px solid rgba(22, 93, 255, .34);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, .3);
    transition: transform .3s var(--ease), background-color .3s var(--ease),
        border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.float-btn:hover {
    transform: translateY(-3px) scale(1.05);
    background: var(--grad-primary);
    border-color: transparent;
    box-shadow: 0 10px 28px rgba(22, 93, 255, .45);
}
.float-btn .tip {
    position: absolute;
    right: calc(100% + 10px);
    top: 50%;
    transform: translateY(-50%) translateX(6px);
    white-space: nowrap;
    font-size: 12.5px;
    color: #fff;
    padding: 6px 12px;
    border-radius: var(--r-md);
    background: rgba(10, 15, 30, .96);
    border: 1px solid rgba(22, 93, 255, .3);
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s var(--ease), transform .25s var(--ease);
}
.float-btn:hover .tip { opacity: 1; transform: translateY(-50%) translateX(0); }

.back-top {
    position: fixed;
    right: 20px;
    bottom: 34px;
    z-index: 800;
    width: 46px; height: 46px;
    border-radius: var(--r-lg);
    display: grid;
    place-items: center;
    font-size: 18px;
    color: #fff;
    background: var(--grad-primary);
    box-shadow: 0 8px 24px rgba(22, 93, 255, .4);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity .3s var(--ease), transform .3s var(--ease), visibility .3s;
}
.back-top.on { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { transform: translateY(-4px); box-shadow: 0 14px 34px rgba(22, 93, 255, .5); }

/* 移动端底部吸底条 */
.mobile-bar {
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 850;
    display: none;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: rgba(15, 23, 42, .96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid rgba(22, 93, 255, .24);
    padding-bottom: env(safe-area-inset-bottom);
}
.mobile-bar a {
    display: grid;
    place-items: center;
    gap: 2px;
    padding: 9px 0;
    font-size: 12.5px;
    color: var(--on-dark-2);
    line-height: 1.3;
}
.mobile-bar a b { display: block; font-size: 15px; }
.mobile-bar a:first-child { color: #fff; background: var(--grad-primary-r); font-weight: 600; }

/* --------------------------------------------------------------------------
   21. 内页
   -------------------------------------------------------------------------- */
.page-banner {
    position: relative;
    padding: calc(var(--header-h) + 62px) 0 62px;
    background: var(--grad-dark-alt);
    color: #fff;
    overflow: hidden;
    text-align: center;
}
.page-banner::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(22, 93, 255, .30), transparent 44%),
        radial-gradient(circle at 82% 70%, rgba(15, 198, 194, .22), transparent 44%);
}
.page-banner .container { position: relative; z-index: 2; }
.page-banner h1 { font-size: clamp(26px, 3.4vw, 40px); font-weight: 700; margin-bottom: 12px; }
.page-banner p { font-size: 15.5px; color: var(--on-dark-2); max-width: 700px; margin: 0 auto; line-height: 1.75; }

/* 面包屑 */
.crumb { padding: 18px 0; font-size: 13.5px; color: var(--text-3); }
.crumb a { color: var(--text-3); }
.crumb a:hover { color: var(--primary); }
.crumb .sep { margin: 0 8px; color: var(--text-4); }

/* 正文排版 */
.article { max-width: 860px; margin: 0 auto; }
.article h2 {
    font-size: 23px;
    font-weight: 700;
    margin: 38px 0 16px;
    padding-left: 14px;
    border-left: 4px solid var(--primary);
    line-height: 1.35;
}
.article h3 { font-size: 18.5px; font-weight: 600; margin: 28px 0 12px; }
.article p { font-size: 15.5px; line-height: 1.92; color: var(--text-2); margin-bottom: 16px; }
.article ul, .article ol { margin: 0 0 18px; padding-left: 22px; }
.article ul { list-style: none; padding-left: 4px; }
.article ul li {
    position: relative;
    padding-left: 20px;
    font-size: 15px;
    line-height: 1.85;
    color: var(--text-2);
    margin-bottom: 9px;
}
.article ul li::before {
    content: "";
    position: absolute;
    left: 0; top: 11px;
    width: 7px; height: 7px;
    border-radius: 50%;
    background: var(--grad-primary);
}
.article ol { list-style: decimal; }
.article ol li { font-size: 15px; line-height: 1.85; color: var(--text-2); margin-bottom: 9px; padding-left: 6px; }
.article img { border-radius: var(--r-lg); margin: 22px 0; }
.article blockquote {
    margin: 24px 0;
    padding: 18px 22px;
    border-radius: 0 var(--r-lg) var(--r-lg) 0;
    border-left: 4px solid var(--cyan);
    background: var(--bg);
    font-size: 15px;
    line-height: 1.85;
    color: var(--text-2);
}
.article strong { color: var(--text); }
.article a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }

/* 文章元信息 */
.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 20px;
    padding: 14px 0 26px;
    margin-bottom: 8px;
    border-bottom: 1px solid var(--border-light);
    font-size: 13px;
    color: var(--text-3);
}
.article-meta .k { color: var(--text-4); margin-right: 4px; }
.article-meta a { color: var(--primary); }

/* 上下篇 */
.pager {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-top: 42px;
    padding-top: 26px;
    border-top: 1px solid var(--border-light);
}
.pager a {
    display: block;
    padding: 16px 20px;
    border-radius: var(--r-lg);
    background: var(--bg);
    border: 1px solid var(--border-light);
    font-size: 14px;
    color: var(--text-2);
    transition: all var(--dur) var(--ease);
}
.pager a:hover {
    background: #fff;
    border-color: rgba(22, 93, 255, .3);
    box-shadow: var(--sh-md);
    color: var(--primary);
    transform: translateY(-2px);
}
.pager a .lb { display: block; font-size: 12px; color: var(--text-4); margin-bottom: 5px; }
.pager a .tt {
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-weight: 500;
}
.pager a.next { text-align: right; }

/* 列表页卡片（浅色） */
.list-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.list-card {
    display: flex;
    flex-direction: column;
    border-radius: var(--r-xl);
    overflow: hidden;
    background: #fff;
    border: 1px solid var(--border-light);
    box-shadow: var(--sh-sm);
    transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease);
}
.list-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--sh-lg);
    border-color: rgba(22, 93, 255, .28);
}
.list-cover {
    aspect-ratio: 16 / 10;
    display: grid;
    place-items: center;
    background: var(--grad-dark-alt);
    position: relative;
    overflow: hidden;
}
.list-cover::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 25%, rgba(22, 93, 255, .34), transparent 55%);
}
.list-cover span {
    position: relative;
    z-index: 1;
    font-size: 26px;
    font-weight: 800;
    letter-spacing: .06em;
    background: linear-gradient(135deg, #7ba8ff, #4fded9);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.list-body { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.list-body h3 {
    font-size: 16.5px;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.list-body .desc {
    font-size: 14px;
    color: var(--text-2);
    line-height: 1.7;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.list-body .foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-top: auto;
    padding-top: 14px;
    border-top: 1px solid var(--border-light);
    font-size: 12.5px;
    color: var(--text-3);
}
.list-body .foot .more { color: var(--primary); font-weight: 600; }

/* 筛选条 */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 34px;
}
.filter-bar a {
    font-size: 13.5px;
    color: var(--text-2);
    padding: 8px 18px;
    border-radius: var(--r-full);
    background: #fff;
    border: 1px solid var(--border);
    transition: all var(--dur) var(--ease);
}
.filter-bar a:hover { border-color: var(--primary); color: var(--primary); }
.filter-bar a.on {
    color: #fff;
    background: var(--grad-primary-r);
    border-color: transparent;
    box-shadow: 0 6px 18px rgba(22, 93, 255, .3);
}

/* 分页 */
.pagination {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 44px;
}
.pagination > span,
.pagination .page-numbar { display: inline-flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.pagination .page-status {
    font-size: 13px;
    color: var(--text-3);
    margin-right: 6px;
}
.pagination a,
.pagination .page-current {
    min-width: 40px;
    height: 40px;
    padding: 0 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    border-radius: var(--r-md);
    background: #fff;
    border: 1px solid var(--border);
    color: var(--text-2);
    transition: all var(--dur) var(--ease);
}
.pagination a:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--sh-md);
}
.pagination .page-current {
    color: #fff;
    background: var(--grad-primary-r);
    border-color: transparent;
    box-shadow: 0 6px 18px rgba(22, 93, 255, .28);
}
.pagination .page-none { font-size: 14px; color: var(--text-3); }

/* 空状态 */
.empty-state { text-align: center; padding: 70px 20px; }
.empty-state .ico { font-size: 46px; margin-bottom: 16px; opacity: .6; }
.empty-state p { font-size: 15px; color: var(--text-3); }

/* 404 */
.err-page {
    min-height: 100vh;
    display: grid;
    place-items: center;
    text-align: center;
    padding: 100px 24px;
    background: var(--grad-dark-alt);
    color: #fff;
}
.err-code {
    font-size: clamp(80px, 16vw, 160px);
    font-weight: 900;
    line-height: 1;
    letter-spacing: -.05em;
    background: linear-gradient(135deg, #165dff, #0fc6c2);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: floatUp 1s var(--ease);
}
.err-page h1 { font-size: 26px; margin: 18px 0 12px; }
.err-page p { font-size: 15px; color: var(--on-dark-2); margin-bottom: 30px; }

/* 联系页 */
.contact-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 34px; align-items: start; }
.contact-card {
    padding: 30px 28px;
    border-radius: var(--r-2xl);
    background: #fff;
    border: 1px solid var(--border-light);
    box-shadow: var(--sh-md);
}
.contact-list { display: grid; gap: 20px; }
.contact-list li { display: flex; gap: 15px; }
.contact-list .ci {
    flex-shrink: 0;
    width: 42px; height: 42px;
    border-radius: var(--r-lg);
    display: grid;
    place-items: center;
    font-size: 19px;
    background: var(--primary-50);
    border: 1px solid rgba(22, 93, 255, .16);
}
.contact-list .ck { font-size: 12.5px; color: var(--text-3); margin-bottom: 4px; }
.contact-list .cv { font-size: 15px; color: var(--text); font-weight: 500; line-height: 1.6; }
.contact-list .cv a { color: var(--primary); }

/* 富文本（PBootCMS 内容） */
.rich { font-size: 15.5px; line-height: 1.92; color: var(--text-2); }
.rich p { margin-bottom: 16px; }
.rich img { max-width: 100%; border-radius: var(--r-lg); margin: 16px 0; }
.rich h2, .rich h3, .rich h4 { color: var(--text); margin: 26px 0 12px; }
.rich ul, .rich ol { margin: 0 0 16px; padding-left: 22px; }
.rich ul { list-style: disc; }
.rich ol { list-style: decimal; }
.rich li { margin-bottom: 8px; }
.rich table { margin: 20px 0; font-size: 14.5px; }
.rich table th, .rich table td { padding: 11px 14px; border: 1px solid var(--border); text-align: left; }
.rich table th { background: var(--bg); font-weight: 600; }
.rich a { color: var(--primary); text-decoration: underline; }

/* --------------------------------------------------------------------------
   22. 滚动揭示
   -------------------------------------------------------------------------- */
.reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity .75s var(--ease), transform .75s var(--ease);
    will-change: opacity, transform;
}
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .1s; }
.reveal.d2 { transition-delay: .2s; }
.reveal.d3 { transition-delay: .3s; }
.reveal.d4 { transition-delay: .4s; }
.reveal.d5 { transition-delay: .5s; }

/* --------------------------------------------------------------------------
   23. 动画定义（对齐灵曦 25 个 keyframes）
   -------------------------------------------------------------------------- */
@keyframes charFloatIn {
    0% { opacity: 0; transform: translateY(22px) scale(.96); filter: blur(4px); }
    60% { filter: blur(0); }
    100% { opacity: 1; transform: translateY(0) scale(1); filter: blur(0); }
}
@keyframes particleRise {
    0% { transform: translateY(0) scale(.6); opacity: 0; }
    12% { opacity: .75; }
    85% { opacity: .5; }
    100% { transform: translateY(-560px) scale(1.1); opacity: 0; }
}
@keyframes floatUp {
    0% { opacity: 0; transform: translateY(18px); }
    100% { opacity: 1; transform: translateY(0); }
}
@keyframes lightSweep {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}
@keyframes sweepAcross {
    0% { transform: translateX(-120%); }
    100% { transform: translateX(120%); }
}
@keyframes ctaGradientFlow {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}
@keyframes logoBreath {
    0%, 100% { box-shadow: 0 4px 14px rgba(22, 93, 255, .38), 0 0 0 rgba(15, 198, 194, 0); }
    50% { box-shadow: 0 4px 20px rgba(22, 93, 255, .6), 0 0 26px rgba(15, 198, 194, .45); }
}
@keyframes breathing {
    0%, 100% { opacity: .18; transform: scale(.8); }
    50% { opacity: 1; transform: scale(1.25); }
}
@keyframes pulseGlow {
    0% { transform: scale(1); opacity: .85; box-shadow: 0 0 0 0 rgba(15, 198, 194, .5); }
    70% { transform: scale(1.06); opacity: 1; box-shadow: 0 0 0 12px rgba(15, 198, 194, 0); }
    100% { transform: scale(1); opacity: .85; box-shadow: 0 0 0 0 rgba(15, 198, 194, 0); }
}
@keyframes centerGlowPulse {
    0%, 100% { box-shadow: 0 0 0 1px rgba(255, 255, 255, .16) inset, 0 0 48px rgba(22, 93, 255, .6), 0 0 96px rgba(15, 198, 194, .26); }
    50% { box-shadow: 0 0 0 1px rgba(255, 255, 255, .24) inset, 0 0 66px rgba(22, 93, 255, .8), 0 0 132px rgba(15, 198, 194, .42); }
}
@keyframes ringSpinSlow { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes ringSpinMedium { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes ringSpinFast { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes timelinePulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(22, 93, 255, .45); }
    60% { box-shadow: 0 0 0 10px rgba(22, 93, 255, 0); }
}
@keyframes countUp {
    0% { opacity: 0; transform: translateY(12px); }
    100% { opacity: 1; transform: translateY(0); }
}
@keyframes flowLine {
    0% { background-position: 0% 50%; }
    100% { background-position: 200% 50%; }
}
@keyframes flowHorizontal {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}
@keyframes flowVertical {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(100%); }
}
@keyframes caretBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: .5; }
}

/* 通用动效类 */
.anim-float { animation: floatUp .8s var(--ease) both; }
.anim-flow-line {
    background-size: 200% 100%;
    animation: flowLine 3s linear infinite;
}

/* --------------------------------------------------------------------------
   24. 响应式
   -------------------------------------------------------------------------- */
@media (max-width: 1180px) {
    .hero-grid { gap: 34px; }
    .footer-main { grid-template-columns: 1.4fr 1fr 1.2fr; gap: 34px; }
}

@media (max-width: 1024px) {
    .pain-grid,
    .case-grid,
    .feat-grid,
    .list-grid,
    .price-grid { grid-template-columns: repeat(2, 1fr); }
    .steps-grid { grid-template-columns: repeat(2, 1fr); }
    .flow-line { grid-template-columns: repeat(3, 1fr); row-gap: 26px; }
    .flow-line::before { display: none; }
    .footer-main { grid-template-columns: 1fr 1fr; gap: 34px; }
    .footer-brand { grid-column: 1 / -1; }
    .price-card.featured { transform: none; }
    .price-card.featured:hover { transform: translateY(-6px); }
}

@media (max-width: 960px) {
    .section { padding: 62px 0; }
    .main-nav,
    .header-actions .btn { display: none; }
    .nav-toggle { display: grid; }
    .header-inner { gap: 16px; }
    .hero { padding: calc(var(--header-h) + 34px) 0 48px; }
    .hero-grid { grid-template-columns: 1fr; gap: 32px; }
    .hero-visual { display: none; }
    .hero-copy { max-width: 100%; }
    .stats-band { margin-top: -30px; }
    .stats-card { grid-template-columns: 1fr; }
    .stat-item { padding: 22px; }
    .about-cols,
    .contact-grid,
    .cta-inner,
    .solution-grid,
    .why-grid { grid-template-columns: 1fr; }
    .cta-inner { gap: 30px; }
    .form-row { grid-template-columns: 1fr; }
    .score-row { grid-template-columns: 1fr; gap: 20px; }
    .detect-panel { padding: 26px 20px; }
    .report { padding: 26px 20px; }
    .compare-wrap { overflow-x: auto; }
    .compare-table { min-width: 640px; }
    .float-side { display: none; }
    .back-top { bottom: 74px; right: 16px; }
    .mobile-bar { display: grid; }
    body { padding-bottom: 54px; }
}

@media (max-width: 720px) {
    .container { padding: 0 18px; }
    .section { padding: 52px 0; }
    .sec-head { margin-bottom: 36px; }
    .pain-grid,
    .case-grid,
    .feat-grid,
    .list-grid,
    .price-grid,
    .steps-grid { grid-template-columns: 1fr; }
    .flow-line { grid-template-columns: repeat(2, 1fr); }
    .pager { grid-template-columns: 1fr; }
    .pager a.next { text-align: left; }
    .footer-main { grid-template-columns: 1fr; gap: 30px; padding: 40px 0 32px; }
    .hero-actions .btn { flex: 1 1 100%; }
    .cta-panel { padding: 30px 20px; }
    .page-banner { padding: calc(var(--header-h) + 40px) 0 40px; }
    .ind-tags { gap: 8px; }
    .ind-tag { font-size: 12.5px; padding: 7px 14px; }
}

/* --------------------------------------------------------------------------
   25. 无障碍降级
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: .001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .001ms !important;
        scroll-behavior: auto !important;
    }
    .reveal { opacity: 1; transform: none; }
    .hero h1 .char { opacity: 1; }
    .hero-particles,
    .orbit-star { display: none; }
}

/* 打印 */
@media print {
    .site-header, .site-footer, .float-side, .back-top, .mobile-bar, #heroCanvas { display: none; }
    .section { padding: 20px 0; }
    body { color: #000; background: #fff; }
}

/* FAQ 详情入口 */
.faq-detail {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 14px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--cyan);
  border-bottom: 1px solid rgba(15, 198, 194, .35);
  padding-bottom: 2px;
  transition: color .25s, border-color .25s;
}
.faq-detail:hover { color: #fff; border-bottom-color: rgba(255, 255, 255, .6); }
.faq-light .faq-detail, .section:not(.section-dark) .faq-detail { color: var(--primary); border-bottom-color: rgba(22, 93, 255, .35); }
.faq-light .faq-detail:hover, .section:not(.section-dark) .faq-detail:hover { color: var(--primary-dark, #0e42c4); border-bottom-color: var(--primary); }

/* 验证码行 */
.field-code .code-row { display: flex; gap: 10px; align-items: stretch; }
.field-code .code-row input { flex: 1 1 auto; min-width: 0; }
.code-img {
  flex: 0 0 auto;
  width: 116px;
  height: 44px;
  border-radius: 8px;
  border: 1px solid var(--border, rgba(255, 255, 255, .14));
  background: #fff;
  cursor: pointer;
  object-fit: cover;
  display: block;
}
.code-img:hover { opacity: .85; }

/* ==========================================================================
   25. 首页新增组件（对齐原站区块）
   ========================================================================== */

/* --- 25.1 Hero 信任点 --- */
.hero-trusts {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 10px 28px;
    margin-top: 26px;
    padding-top: 22px;
    border-top: 1px solid rgba(255, 255, 255, .10);
}
.hero-trusts .ht {
    display: inline-flex;
    align-items: baseline;
    gap: 6px;
    font-size: 14px;
    color: var(--on-dark-2);
}
.hero-trusts .ht b {
    font-size: 21px;
    font-weight: 800;
    letter-spacing: -.02em;
    background: linear-gradient(135deg, #7ba8ff 0%, #4fded9 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}
.hero-source {
    margin-top: 10px;
    font-size: 12.5px;
    color: var(--on-dark-4);
}

/* --- 25.2 痛点补充标签 --- */
.pain-more {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 26px;
}
.pain-more .pm-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-3);
}
.pain-more .pm-tag {
    font-size: 13px;
    color: var(--text-2);
    padding: 7px 15px;
    border-radius: var(--r-full);
    background: var(--bg-sunk);
    border: 1px solid var(--border-light);
    transition: all var(--dur) var(--ease);
}
.pain-more .pm-tag:hover {
    color: var(--primary);
    background: var(--primary-50);
    border-color: rgba(22, 93, 255, .3);
}

/* --- 25.3 检测器：行业龙头 vs 行业均值 --- */
.demo-compare { max-width: 1000px; margin: 0 auto 30px; }
.demo-compare .dc-note {
    text-align: center;
    font-size: 13.5px;
    color: var(--on-dark-3);
    margin-bottom: 20px;
    line-height: 1.75;
}
.demo-compare .dc-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 18px;
}
.demo-compare .dc-col {
    padding: 24px 24px 22px;
    border-radius: var(--r-xl);
    background: rgba(255, 255, 255, .04);
    border: 1px solid rgba(255, 255, 255, .10);
    transition: transform .4s var(--ease), border-color .4s var(--ease);
}
.demo-compare .dc-col:hover { transform: translateY(-4px); }
.demo-compare .dc-col.hl {
    background: linear-gradient(160deg, rgba(22, 93, 255, .16) 0%, rgba(15, 198, 194, .08) 100%);
    border-color: rgba(15, 198, 194, .42);
}
.demo-compare .dc-badge {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    color: #fff;
    padding: 5px 15px;
    border-radius: var(--r-full);
    background: rgba(255, 255, 255, .10);
}
.demo-compare .dc-col.hl .dc-badge { background: var(--grad-primary-r); }
.demo-compare .dc-sub {
    margin-left: 8px;
    font-size: 12.5px;
    color: var(--on-dark-4);
}
.demo-compare .dc-metrics {
    display: grid;
    gap: 12px;
    margin-top: 20px;
}
.demo-compare .dc-metrics > div {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    padding-bottom: 11px;
    border-bottom: 1px dashed rgba(255, 255, 255, .09);
}
.demo-compare .dc-metrics > div:last-child {
    border-bottom: 0;
    padding-bottom: 0;
}
.demo-compare .dc-metrics span { font-size: 13.5px; color: var(--on-dark-3); }
.demo-compare .dc-metrics b { font-size: 19px; font-weight: 800; color: #fff; }
.demo-compare .dc-col.hl .dc-metrics b {
    background: linear-gradient(135deg, #7ba8ff 0%, #4fded9 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}
.demo-compare .dc-legend {
    margin-top: 16px;
    font-size: 12.5px;
    line-height: 1.9;
    color: var(--on-dark-4);
    text-align: center;
}

/* --- 25.4 代运营 3 阶段 --- */
.phase-list {
    display: grid;
    gap: 15px;
    margin: 22px 0 26px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, .10);
}
.phase-list .phase { display: flex; gap: 14px; }
.phase-list .ph-n {
    flex: 0 0 auto;
    height: fit-content;
    font-size: 12px;
    font-weight: 700;
    color: #4fded9;
    padding: 4px 11px;
    border-radius: var(--r-full);
    background: rgba(15, 198, 194, .14);
    white-space: nowrap;
}
.phase-list h4 { font-size: 14.5px; font-weight: 700; color: #fff; margin-bottom: 5px; }
.phase-list p { font-size: 13.5px; color: var(--on-dark-2); line-height: 1.68; }

/* --- 25.5 CTA 公众号 --- */
.cta-side {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: 24px;
    padding-top: 22px;
    border-top: 1px solid rgba(255, 255, 255, .10);
}
.cta-side .qr-box {
    flex: 0 0 auto;
    width: 96px;
    height: 96px;
    padding: 6px;
    display: grid;
    place-items: center;
    border-radius: var(--r-md);
    background: #fff;
}
.cta-side .qr-box img { width: 100%; height: 100%; object-fit: contain; border-radius: 4px; }
.cta-side .qr-box .ph {
    font-size: 11px;
    color: var(--text-3);
    text-align: center;
    line-height: 1.45;
}
.cta-side-txt { display: grid; gap: 5px; }
.cta-side-txt strong { font-size: 14px; color: #fff; }
.cta-side-txt span { font-size: 12.5px; color: var(--on-dark-3); line-height: 1.6; }

/* --- 25.6 客户案例 · 真实效果数据 --- */
.result-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.result-card {
    display: flex;
    flex-direction: column;
    padding: 28px 26px;
    border-radius: var(--r-xl);
    background: #fff;
    border: 1px solid var(--border-light);
    box-shadow: var(--sh-sm);
    transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s var(--ease);
}
.result-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--sh-lg);
    border-color: rgba(22, 93, 255, .28);
}
.result-card .rc-tag {
    display: inline-block;
    height: fit-content;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
    background: var(--primary-50);
    padding: 4px 12px;
    border-radius: var(--r-full);
    margin-bottom: 14px;
}
.result-card h3 {
    font-size: 17.5px;
    font-weight: 700;
    color: var(--text);
    line-height: 1.45;
    margin-bottom: 8px;
}
.result-card .rc-headline {
    font-size: 13.5px;
    color: var(--text-2);
    line-height: 1.7;
    margin-bottom: 20px;
}
.result-card .rc-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    padding: 16px 0 18px;
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
    margin-bottom: 16px;
}
.result-card .rc-m { display: grid; gap: 7px; }
.result-card .rc-m .k { font-size: 12px; color: var(--text-3); }
.result-card .rc-m .v { display: flex; align-items: baseline; gap: 5px; }
.result-card .rc-m .v b { font-size: 13px; font-weight: 600; color: var(--text-4); }
.result-card .rc-m .v i { font-style: normal; font-size: 12px; color: var(--text-4); }
.result-card .rc-m .v strong {
    font-size: 19px;
    font-weight: 800;
    letter-spacing: -.02em;
    background: var(--grad-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}
.result-card .rc-link {
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--primary);
    transition: color var(--dur) var(--ease);
}
.result-card .rc-link:hover { color: var(--primary-hover); }
.result-note {
    text-align: center;
    font-size: 12.5px;
    color: var(--text-3);
    line-height: 1.8;
    margin-top: 24px;
}
.result-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 26px;
    margin-top: 32px;
    padding: 30px 34px;
    border-radius: var(--r-2xl);
    background: var(--grad-dark);
    border: 1px solid rgba(22, 93, 255, .24);
    box-shadow: 0 18px 50px rgba(10, 15, 30, .22);
}
.result-cta h3 { font-size: 20px; font-weight: 700; color: #fff; margin-bottom: 7px; line-height: 1.4; }
.result-cta p { font-size: 13.5px; color: var(--on-dark-3); }

/* --- 25.7 修正数据带列数（默认 3 列，.n4 为 4 列） --- */
.stats-card.n4 { grid-template-columns: repeat(4, 1fr); }

/* --- 25.8 新组件响应式 --- */
@media (max-width: 960px) {
    .result-list { grid-template-columns: 1fr; }
    .demo-compare .dc-grid { grid-template-columns: 1fr; }
    .cta-side { align-items: flex-start; }
    .result-cta { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 720px) {
    .stats-card,
    .stats-card.n4 { grid-template-columns: repeat(2, 1fr); }
    .result-card .rc-metrics { grid-template-columns: 1fr; gap: 10px; }
    .hero-trusts { flex-direction: column; gap: 9px; }
    .pain-more { flex-direction: column; align-items: stretch; text-align: center; }
    .cta-side { flex-direction: column; }
    .result-card { padding: 24px 20px; }
    .result-cta { padding: 26px 22px; }
}

/* --- 25.9 4 列痛点在窄屏降级 --- */
@media (max-width: 1200px) {
    .pain-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ==========================================================================
   26. 案例列表页筛选与卡片指标
   ========================================================================== */
.case-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 34px;
}
.case-filter .cf-btn {
    font-family: inherit;
    font-size: 13.5px;
    font-weight: 500;
    color: var(--text-2);
    padding: 9px 20px;
    border-radius: var(--r-full);
    background: #fff;
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all var(--dur) var(--ease);
}
.case-filter .cf-btn:hover {
    color: var(--primary);
    border-color: rgba(22, 93, 255, .4);
}
.case-filter .cf-btn.on {
    color: #fff;
    border-color: transparent;
    background: var(--grad-primary-r);
    box-shadow: 0 6px 18px rgba(22, 93, 255, .3);
}

.card-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    padding: 14px 0 16px;
    margin-bottom: 14px;
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}
.card-metrics .cm { display: grid; gap: 6px; }
.card-metrics .cm .k { font-size: 11.5px; color: var(--text-3); }
.card-metrics .cm .v { display: flex; align-items: baseline; gap: 4px; }
.card-metrics .cm .v b { font-size: 12.5px; font-weight: 600; color: var(--text-4); }
.card-metrics .cm .v i { font-style: normal; font-size: 11px; color: var(--text-4); }
.card-metrics .cm .v strong {
    font-size: 17px;
    font-weight: 800;
    letter-spacing: -.02em;
    background: var(--grad-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}
@media (max-width: 720px) {
    .card-metrics { grid-template-columns: 1fr; gap: 9px; }
    .case-filter .cf-btn { font-size: 13px; padding: 8px 16px; }
}

/* ==========================================================================
   27. 内容深度增强 / 媒体资源（P1 + P2 配套样式）
   ========================================================================== */

/* ---- 27.1 AI 平台标识图片 ---- */
.hero-platforms span.pl {
    padding: 5px 12px 5px 5px;
    gap: 9px;
}
.hero-platforms span.pl img {
    width: 30px;
    height: 30px;
    border-radius: 9px;
    display: block;
    flex-shrink: 0;
    box-shadow: 0 3px 10px rgba(0, 0, 0, .34);
}
.hero-platforms span.pl i { font-style: normal; }

/* ---- 27.2 案例封面图 ---- */
.case-cover > img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .9s cubic-bezier(.16, 1, .3, 1);
    z-index: 0;
}
.case-cover::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(180deg,
        rgba(10, 15, 30, .10) 0%,
        rgba(10, 15, 30, .42) 52%,
        rgba(10, 15, 30, .80) 100%);
    pointer-events: none;
}
.case-card:hover .case-cover > img { transform: scale(1.055); }
.case-cover .case-tag,
.case-cover .metric { z-index: 2; }
.case-cover .metric {
    position: absolute;
    right: 16px;
    bottom: 14px;
    text-align: right;
}
.case-cover .metric b {
    display: block;
    font-size: 30px;
    font-weight: 800;
    line-height: 1.08;
    letter-spacing: -.02em;
    background: linear-gradient(135deg, #9dc0ff, #4fded9);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}
.case-cover .metric span {
    font-size: 12px;
    color: rgba(255, 255, 255, .72);
}
/* 无封面图时的降级：保留原有渐变底 */
.case-cover.has-img::before { opacity: .10; }

/* ---- 27.3 文章详情：分节标题与代码块 ---- */
.rich h2 {
    font-size: 22px;
    line-height: 1.42;
    font-weight: 700;
    letter-spacing: -.01em;
    margin: 38px 0 16px;
    padding-left: 15px;
    border-left: 3px solid var(--primary);
}
.rich h2:first-child { margin-top: 6px; }
.rich h3 {
    font-size: 18px;
    font-weight: 700;
    margin: 28px 0 12px;
}
.rich h4 { font-size: 16px; font-weight: 600; margin: 22px 0 10px; }
.rich p { margin-bottom: 15px; }
.rich strong { color: var(--text); font-weight: 600; }
.rich code {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 13px;
    padding: 3px 7px;
    border-radius: 6px;
    background: rgba(22, 93, 255, .09);
    color: var(--primary);
    word-break: break-word;
}
.rich blockquote {
    margin: 20px 0;
    padding: 14px 20px;
    border-left: 3px solid var(--accent);
    border-radius: 0 var(--r-md) var(--r-md) 0;
    background: rgba(15, 198, 194, .07);
    color: var(--text-2);
}
.rich blockquote p:last-child { margin-bottom: 0; }
.rich table {
    width: 100%;
    margin: 22px 0;
    border-radius: var(--r-md);
    overflow: hidden;
}
.rich table th { background: var(--bg-alt, var(--bg)); color: var(--text); }
.rich > p:last-child { margin-bottom: 0; }

/* ---- 27.4 文章底部 CTA ---- */
.article-cta {
    position: relative;
    margin-top: 46px;
    padding: 34px 38px;
    border-radius: var(--r-xl);
    overflow: hidden;
    background: linear-gradient(135deg, rgba(22, 93, 255, .10), rgba(15, 198, 194, .07));
    border: 1px solid rgba(22, 93, 255, .22);
}
.article-cta::before {
    content: "";
    position: absolute;
    right: -90px;
    top: -120px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(22, 93, 255, .30), transparent 68%);
    pointer-events: none;
}
.article-cta h3 {
    position: relative;
    font-size: 21px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 12px;
    letter-spacing: -.01em;
}
.article-cta p {
    position: relative;
    font-size: 15px;
    line-height: 1.84;
    color: var(--text-2);
    margin-bottom: 12px;
}
.article-cta p:last-child { margin-bottom: 0; }
.article-cta .btn { text-decoration: none; }

/* ---- 27.5 服务页：客户证言 ---- */
.voice-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}
.voice-card {
    position: relative;
    padding: 28px 26px 24px;
    border-radius: var(--r-xl);
    background: rgba(255, 255, 255, .045);
    border: 1px solid rgba(255, 255, 255, .10);
    transition: transform .5s cubic-bezier(.16, 1, .3, 1), border-color .5s;
}
.voice-card:hover { transform: translateY(-5px); border-color: rgba(22, 93, 255, .38); }
.voice-card .quote-mark {
    font-size: 46px;
    line-height: .7;
    font-weight: 800;
    background: var(--grad-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    display: block;
    margin-bottom: 14px;
}
.voice-card p {
    font-size: 15px;
    line-height: 1.88;
    color: var(--on-dark-2);
    margin-bottom: 20px;
}
.voice-card .who {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, .09);
}
.voice-card .who .av {
    width: 40px; height: 40px;
    border-radius: 12px;
    flex-shrink: 0;
    display: grid;
    place-items: center;
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, #165dff, #0fc6c2);
}
.voice-card .who .nm { font-size: 14px; font-weight: 600; color: #fff; }
.voice-card .who .rl { font-size: 12.5px; color: var(--on-dark-4); margin-top: 3px; }

/* ---- 27.6 服务页：交付物清单 ---- */
.deliver-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px 18px;
}
.deliver-item {
    display: flex;
    gap: 13px;
    align-items: flex-start;
    padding: 18px 20px;
    border-radius: var(--r-lg);
    background: var(--card, #fff);
    border: 1px solid var(--border-light);
    transition: border-color .4s, box-shadow .4s;
}
.deliver-item:hover {
    border-color: rgba(22, 93, 255, .35);
    box-shadow: 0 10px 30px rgba(22, 93, 255, .08);
}
.deliver-item .di-ico {
    flex: 0 0 auto;
    width: 26px; height: 26px;
    border-radius: 8px;
    display: grid;
    place-items: center;
    font-size: 13px;
    font-weight: 700;
    color: #fff;
    background: var(--grad-primary);
    margin-top: 2px;
}
.deliver-item h4 { font-size: 15px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.deliver-item p { font-size: 13.5px; line-height: 1.78; color: var(--text-2); margin: 0; }

/* ---- 27.7 首页 #about 四段式 ---- */
.about-block { margin-top: 46px; }
.about-block:first-child { margin-top: 0; }
.about-block .ab-head {
    display: flex;
    align-items: center;
    gap: 13px;
    margin-bottom: 22px;
}
.about-block .ab-head .ab-n {
    flex: 0 0 auto;
    width: 30px; height: 30px;
    border-radius: 9px;
    display: grid;
    place-items: center;
    font-size: 13px;
    font-weight: 800;
    color: #fff;
    background: var(--grad-primary);
}
.about-block .ab-head h3 {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    letter-spacing: -.01em;
}
.about-block .ab-head .ab-x {
    font-size: 13px;
    color: var(--on-dark-4);
    margin-left: 2px;
}

/* 信任数据卡（4 张） */
.trust-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}
.trust-card {
    padding: 24px 22px;
    border-radius: var(--r-lg);
    background: rgba(255, 255, 255, .045);
    border: 1px solid rgba(255, 255, 255, .10);
    transition: transform .5s cubic-bezier(.16, 1, .3, 1), border-color .5s;
}
.trust-card:hover { transform: translateY(-5px); border-color: rgba(15, 198, 194, .38); }
.trust-card b {
    display: block;
    font-size: 30px;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -.02em;
    background: linear-gradient(135deg, #9dc0ff, #4fded9);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
}
.trust-card h4 { font-size: 15px; font-weight: 600; color: #fff; margin: 10px 0 7px; }
.trust-card p { font-size: 13px; line-height: 1.72; color: var(--on-dark-4); margin: 0; }

/* 首页发展历程（横向时间线） */
.mile-line {
    position: relative;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    padding-top: 26px;
}
.mile-line::before {
    content: "";
    position: absolute;
    left: 4%;
    right: 4%;
    top: 6px;
    height: 1px;
    background: linear-gradient(90deg, rgba(22, 93, 255, .55), rgba(15, 198, 194, .40), transparent);
}
.mile {
    position: relative;
    padding-top: 4px;
}
.mile::before {
    content: "";
    position: absolute;
    left: 0;
    top: -25px;
    width: 11px; height: 11px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 0 5px rgba(22, 93, 255, .16);
}
.mile .yr {
    font-size: 13px;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: .04em;
    margin-bottom: 8px;
}
.mile h4 { font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 7px; }
.mile p { font-size: 13px; line-height: 1.74; color: var(--on-dark-4); margin: 0; }

/* 行业标签（带首字图标） */
.ind-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 11px;
}
.ind-tag {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 9px 17px 9px 9px;
    border-radius: var(--r-full);
    background: rgba(255, 255, 255, .05);
    border: 1px solid rgba(255, 255, 255, .12);
    font-size: 13.5px;
    color: var(--on-dark-2);
    transition: background .4s, border-color .4s, transform .4s;
}
.ind-tag:hover {
    background: rgba(22, 93, 255, .16);
    border-color: rgba(22, 93, 255, .45);
    transform: translateY(-2px);
}
.ind-tag i {
    width: 26px; height: 26px;
    border-radius: 8px;
    display: grid;
    place-items: center;
    font-size: 12.5px;
    font-weight: 700;
    font-style: normal;
    color: #fff;
    background: linear-gradient(135deg, #165dff, #0fc6c2);
    flex-shrink: 0;
}

/* ---- 27.8 响应式 ---- */
@media (max-width: 1024px) {
    .trust-cards { grid-template-columns: repeat(2, 1fr); }
    .mile-line { grid-template-columns: repeat(2, 1fr); gap: 26px 18px; }
    .mile-line::before { display: none; }
    .mile::before { position: static; display: inline-block; margin-right: 8px; }
    .mile { padding-top: 0; }
    .voice-grid { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
    .trust-cards { grid-template-columns: 1fr; }
    .mile-line { grid-template-columns: 1fr; }
    .deliver-list { grid-template-columns: 1fr; }
    .rich h2 { font-size: 19px; margin: 30px 0 13px; }
    .article-cta { padding: 26px 22px; }
    .article-cta h3 { font-size: 18px; }
    .hero-platforms span.pl { padding: 4px 10px 4px 4px; gap: 7px; }
    .hero-platforms span.pl img { width: 26px; height: 26px; border-radius: 8px; }
    .case-cover .metric b { font-size: 25px; }
}

/* ============================================================
   28. 相关阅读（主题簇内链）
   ============================================================ */
.rel-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px;
}

.rel-col {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 22px 22px 8px;
}

.rel-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .04em;
    color: var(--primary);
    background: rgba(22, 93, 255, .08);
    border-radius: 999px;
    padding: 4px 12px;
    margin-bottom: 14px;
}

.rel-list { list-style: none; margin: 0; padding: 0; }

.rel-list li { border-top: 1px solid var(--line); }
.rel-list li:first-child { border-top: 0; }

.rel-list a {
    display: block;
    padding: 14px 2px;
    text-decoration: none;
    transition: padding-left .22s ease;
}

.rel-list a:hover { padding-left: 8px; }

.rel-tt {
    display: block;
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    line-height: 1.5;
    margin-bottom: 6px;
}

.rel-list a:hover .rel-tt { color: var(--primary); }

.rel-ds {
    display: block;
    font-size: 13px;
    line-height: 1.65;
    color: var(--muted);
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

@media (max-width: 900px) {
    .rel-grid { grid-template-columns: 1fr; gap: 18px; }
}