/* ==========================================================================
   东莞站（dongguan）样式 · 设计规范《东莞站设计规范.md》
   基调：冷调工业洁净的基底 × 睿小匠蓝的点睛
   识别前缀：CSS 变量 --dg-，类名 dg-
   ========================================================================== */

/* ---------- 字体（本地自托管 woff2，禁 Google Fonts CDN） ---------- */
@font-face { font-family: 'HarmonyOS Sans SC'; font-style: normal; font-weight: 400; font-display: swap; src: url('/static/dongguan/font/harmony-sans-400-normal.woff2') format('woff2'); }
@font-face { font-family: 'HarmonyOS Sans SC'; font-style: normal; font-weight: 500; font-display: swap; src: url('/static/dongguan/font/harmony-sans-500-normal.woff2') format('woff2'); }
@font-face { font-family: 'HarmonyOS Sans SC'; font-style: normal; font-weight: 700; font-display: swap; src: url('/static/dongguan/font/harmony-sans-700-normal.woff2') format('woff2'); }

/* ---------- 设计变量 ---------- */
:root {
    --dg-primary: #1A5CB8;
    --dg-primary-dark: #0F3D8E;
    --dg-primary-light: #3D7ADD;
    --dg-blue-tint: rgba(26, 92, 184, .08);
    --dg-clean: #4C6273;          /* 洁净灰蓝：次要文字/图标 */
    --dg-clean-dark: #33475B;     /* 冷灰蓝深：深色绘线/hover */
    --dg-bg: #FFFFFF;
    --dg-alt: #F4F8FB;            /* 交替底：极浅冷蓝 */
    --dg-text: #1F2430;
    --dg-line: #DCE4EA;           /* 冷灰蓝描边细线 */
    --dg-radius: 4px;
    --dg-font: 'HarmonyOS Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
    --dg-container: 1200px;
    --dg-header-h: 72px;
}

/* ---------- 基础 ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--dg-font);
    font-weight: 400;
    color: var(--dg-text);
    background: var(--dg-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, p, figure { margin: 0; }

.dg-container { width: 100%; max-width: var(--dg-container); margin: 0 auto; padding: 0 24px; }

/* 单色线性图标 */
.dg-icon { width: 20px; height: 20px; stroke-width: 2; flex: 0 0 auto; }
.dg-icon-sm { width: 14px; height: 14px; }
.dg-icon-lg { width: 24px; height: 24px; }
.dg-icon-xl { width: 28px; height: 28px; }

/* ---------- 按钮 ---------- */
.dg-btn {
    display: inline-flex; align-items: center; gap: 8px;
    font-family: var(--dg-font); font-weight: 500; font-size: 15px;
    padding: 12px 24px; border-radius: var(--dg-radius);
    cursor: pointer; transition: background .2s, color .2s, border-color .2s, transform .2s, box-shadow .2s;
    border: 1px solid transparent; white-space: nowrap;
}
.dg-btn-sm { padding: 9px 16px; font-size: 14px; }
.dg-btn-lg { padding: 14px 30px; font-size: 16px; }
.dg-btn-primary { background: var(--dg-primary); color: #fff; }
.dg-btn-primary:hover { background: var(--dg-primary-dark); transform: translateY(-2px); }
.dg-btn-outline { background: #fff; color: var(--dg-primary); border-color: var(--dg-line); }
.dg-btn-outline:hover { border-color: var(--dg-primary); background: var(--dg-blue-tint); transform: translateY(-2px); }

/* ==========================================================================
   导航栏
   ========================================================================== */
.dg-header {
    position: sticky; top: 0; z-index: 1000;
    background: #fff;
    border-bottom: 1px solid var(--dg-line);
    transition: background .25s, border-color .25s, box-shadow .25s;
}
.dg-header.dg-header-scrolled { box-shadow: 0 6px 24px rgba(26, 92, 184, .08); }

/* 未滚动（位于全屏 Hero 之上）：透明 + 白色文字，凸显简约高级 */
.dg-header:not(.dg-header-scrolled) {
    background: linear-gradient(180deg, rgba(31, 36, 48, .42) 0%, rgba(31, 36, 48, 0) 100%);
    border-bottom: none;
}
.dg-header:not(.dg-header-scrolled) .dg-logo-dark { display: none; }
.dg-header:not(.dg-header-scrolled) .dg-logo-light { display: block; }
.dg-header:not(.dg-header-scrolled) .dg-nav > a,
.dg-header:not(.dg-header-scrolled) .dg-nav-drop > a { color: #fff; }
.dg-header:not(.dg-header-scrolled) .dg-nav > a:hover,
.dg-header:not(.dg-header-scrolled) .dg-nav-drop > a:hover { color: rgba(255, 255, 255, .78); }
.dg-header:not(.dg-header-scrolled) .dg-nav > a.active,
.dg-header:not(.dg-header-scrolled) .dg-nav-drop > a.active { color: #fff; font-weight: 500; }
.dg-header:not(.dg-header-scrolled) .dg-nav > a.active::after,
.dg-header:not(.dg-header-scrolled) .dg-nav-drop > a.active::after { background: #fff; }
.dg-header:not(.dg-header-scrolled) .dg-phone-icon { background: rgba(255, 255, 255, .16); color: #fff; }
.dg-header:not(.dg-header-scrolled) .dg-phone-text small { color: rgba(255, 255, 255, .78); }
.dg-header:not(.dg-header-scrolled) .dg-phone-text strong { color: #fff; }
.dg-header:not(.dg-header-scrolled) .dg-nav-toggle { color: #fff; }
/* 下拉菜单在白底态才显示浅色；透明态下给半透明深底保证可读 */
.dg-header:not(.dg-header-scrolled) .dg-nav-drop-menu { background: rgba(31, 36, 48, .92); border-color: rgba(255, 255, 255, .12); border-top-color: #fff; box-shadow: 0 12px 28px rgba(0, 0, 0, .28); }
.dg-header:not(.dg-header-scrolled) .dg-nav-drop-menu a { color: rgba(255, 255, 255, .88); }
.dg-header:not(.dg-header-scrolled) .dg-nav-drop-menu a:hover { color: #fff; background: rgba(255, 255, 255, .12); }
.dg-header-inner {
    max-width: var(--dg-container); margin: 0 auto; padding: 0 24px;
    height: var(--dg-header-h); display: flex; align-items: center; gap: 32px;
}
.dg-logo { display: flex; align-items: center; }
.dg-logo img { height: 40px; width: auto; }
/* 白底态：彩色 logo；透明态：白色 logo */
.dg-logo-dark { display: block; }
.dg-logo-light { display: none; }

.dg-nav { display: flex; align-items: center; gap: 4px; margin: 0 auto; }
.dg-nav > a,
.dg-nav-drop > a {
    display: flex; align-items: center; position: relative;
    padding: 10px 16px; font-size: 15px; font-weight: 400; color: var(--dg-text);
    transition: color .2s;
}
.dg-nav > a:hover,
.dg-nav-drop > a:hover { color: var(--dg-primary); }
.dg-nav > a.active,
.dg-nav-drop > a.active { color: var(--dg-primary); font-weight: 500; }
.dg-nav > a.active::after,
.dg-nav-drop > a.active::after {
    content: ''; position: absolute; left: 16px; right: 16px; bottom: 0;
    height: 3px; background: var(--dg-primary); border-radius: 2px;
}
.dg-nav-drop { position: relative; }
.dg-nav-drop-menu {
    position: absolute; top: 100%; left: 0; min-width: 200px;
    background: #fff; border: 1px solid var(--dg-line); border-top: 3px solid var(--dg-primary);
    padding: 8px 0; opacity: 0; visibility: hidden; transform: translateY(8px);
    transition: opacity .2s, transform .2s, visibility .2s; z-index: 1001;
    box-shadow: 0 12px 28px rgba(31, 36, 48, .08);
}
.dg-nav-drop:hover .dg-nav-drop-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.dg-nav-drop-menu a { display: block; padding: 9px 18px; font-size: 14px; color: var(--dg-clean); white-space: nowrap; }
.dg-nav-drop-menu a:hover { color: var(--dg-primary); background: var(--dg-blue-tint); }

.dg-header-actions { display: flex; align-items: center; gap: 16px; }
.dg-header-phone { display: flex; align-items: center; gap: 10px; }
.dg-phone-icon { width: 40px; height: 40px; border-radius: var(--dg-radius); background: var(--dg-blue-tint); color: var(--dg-primary); display: inline-flex; align-items: center; justify-content: center; }
.dg-phone-text { display: flex; flex-direction: column; line-height: 1.2; }
.dg-phone-text small { font-size: 12px; color: var(--dg-clean); font-weight: 400; }
.dg-phone-text strong { font-size: 16px; color: var(--dg-text); font-weight: 700; }

.dg-nav-toggle { display: none; width: 44px; height: 44px; align-items: center; justify-content: center; background: none; border: none; color: var(--dg-text); cursor: pointer; padding: 0; }

/* 移动端菜单抽屉 */
.dg-mobile-overlay { position: fixed; inset: 0; background: rgba(31, 36, 48, .5); z-index: 1100; opacity: 0; visibility: hidden; transition: opacity .2s, visibility .2s; }
.dg-mobile-overlay.open { opacity: 1; visibility: visible; }
.dg-mobile-menu {
    position: fixed; top: 0; right: -300px; width: 300px; height: 100%;
    background: #fff; z-index: 1200; transition: right .28s ease;
    display: flex; flex-direction: column; padding-bottom: env(safe-area-inset-bottom);
}
.dg-mobile-menu.open { right: 0; }
.dg-mobile-header { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--dg-line); }
.dg-mobile-logo { height: 36px; width: auto; }
.dg-mobile-close { width: 44px; height: 44px; border: none; background: none; font-size: 30px; line-height: 1; color: var(--dg-text); cursor: pointer; }
.dg-mobile-nav { flex: 1; overflow-y: auto; padding: 8px 20px; }
.dg-mobile-nav > a { display: block; padding: 15px 0; font-size: 16px; color: var(--dg-text); border-bottom: 1px solid var(--dg-line); }
.dg-mobile-group > a { display: flex; align-items: center; justify-content: space-between; padding: 15px 0; font-size: 16px; color: var(--dg-text); border-bottom: 1px solid var(--dg-line); }
.dg-arrow { transition: transform .2s; color: var(--dg-clean); }
.dg-mobile-sub { display: none; padding: 4px 0 12px; }
.dg-sub-all { font-weight: 500; color: var(--dg-primary); }
.dg-mobile-sub a { display: block; padding: 9px 0 9px 16px; font-size: 15px; color: var(--dg-clean); }

/* ==========================================================================
   首屏 Hero（全屏实景背景 + 冷灰蓝渐变遮罩 + 背景动效）
   ========================================================================== */
.dg-hero {
    position: relative;
    min-height: calc(100vh - var(--dg-header-h));
    /* 上移到顶栏底下，让图片背景铺满视口并透到透明顶栏之后 */
    margin-top: calc(-1 * var(--dg-header-h));
    padding-top: var(--dg-header-h);
    display: flex; align-items: center;
    background: var(--dg-bg); overflow: hidden;
}
.dg-hero .dg-container { position: relative; z-index: 2; width: 100%; }

/* 全屏实景背景（Ken Burns 缓慢缩放动效） */
.dg-hero-bg {
    position: absolute; inset: 0; z-index: 0;
    background: url('https://rxjimg.wukesiyi.com/static/dongguan/img/dg-hero.png') center / cover no-repeat;
    animation: dgKenBurns 16s ease-in-out infinite alternate;
    will-change: transform;
    transform: scale(1.05);
}
@keyframes dgKenBurns {
    0%   { transform: scale(1.05) translate(0, 0); }
    100% { transform: scale(1.18) translate(-2%, -1.5%); }
}

/* 冷灰蓝 → 冷灰蓝深 双向渐变遮罩，保证文字可读性 */
.dg-hero-overlay {
    position: absolute; inset: 0; z-index: 1;
    background:
        linear-gradient(90deg, rgba(31, 36, 48, .86) 0%, rgba(51, 71, 91, .72) 42%, rgba(51, 71, 91, .28) 100%),
        linear-gradient(0deg, rgba(15, 61, 142, .18) 0%, rgba(15, 61, 142, 0) 55%);
}

/* 背景动效：水珠顺着玻璃往下淋（竖条雨丝 + 微光，循环下滑） */
.dg-hero-rain {
    position: absolute; inset: 0; z-index: 1; overflow: hidden; pointer-events: none;
}
.dg-hero-rain::before {
    content: ''; position: absolute; inset: 0;
    background: repeating-linear-gradient(180deg, rgba(174, 204, 240, 0) 0%, rgba(174, 204, 240, .16) 50%, rgba(174, 204, 240, 0) 100%);
    animation: dgFilmShimmer 5.5s linear infinite;
}
.dg-hero-streak {
    position: absolute; top: 0; left: 0; width: 2px; height: 12vh;
    background: linear-gradient(180deg, rgba(214, 234, 255, 0) 0%, rgba(214, 234, 255, .7) 55%, rgba(234, 246, 255, .95) 100%);
    border-radius: 2px;
    opacity: 0;
    animation: dgDrip 5.8s ease-in infinite;
}
.dg-hero-streak::after {
    content: ''; position: absolute; bottom: -1px; left: 50%; width: 5px; height: 11px;
    transform: translateX(-50%); border-radius: 50% 50% 50% 50% / 62% 62% 40% 40%;
    background: radial-gradient(circle at 50% 30%, rgba(240, 250, 255, .98) 0%, rgba(180, 214, 252, .7) 60%, rgba(160, 205, 250, 0) 100%);
}
@keyframes dgDrip {
    0%   { transform: translateY(-15vh); opacity: 0; }
    12%  { opacity: .95; }
    78%  { opacity: .7; }
    100% { transform: translateY(112vh); opacity: 0; }
}
@keyframes dgFilmShimmer {
    0%   { transform: translateY(-8%); }
    100% { transform: translateY(8%); }
}
/* 各条雨丝错开位置、时长，形成自然水帘感 */
.dg-hero-streak:nth-child(1)  { left: 7%;  animation-duration: 5.8s;  animation-delay: -0.2s; }
.dg-hero-streak:nth-child(2)  { left: 16%; height: 15vh; animation-duration: 6.6s; animation-delay: -2.1s; }
.dg-hero-streak:nth-child(3)  { left: 27%; height: 10vh; animation-duration: 5.2s; animation-delay: -4.4s; }
.dg-hero-streak:nth-child(4)  { left: 38%; height: 14vh; animation-duration: 7.0s; animation-delay: -1.3s; }
.dg-hero-streak:nth-child(5)  { left: 50%; height: 11vh; animation-duration: 6.1s; animation-delay: -3.5s; }
.dg-hero-streak:nth-child(6)  { left: 61%; height: 16vh; animation-duration: 5.5s; animation-delay: -5.2s; }
.dg-hero-streak:nth-child(7)  { left: 72%; height: 12vh; animation-duration: 6.8s; animation-delay: -0.9s; }
.dg-hero-streak:nth-child(8)  { left: 83%; height: 10vh; animation-duration: 5.9s; animation-delay: -3.0s; }
.dg-hero-streak:nth-child(9)  { left: 92%; height: 13vh; animation-duration: 6.4s; animation-delay: -1.8s; }

.dg-hero-inner { display: flex; align-items: center; padding: 80px 0; }
.dg-hero-content { max-width: 640px; }

.dg-hero-eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 14px; color: #fff; font-weight: 500;
    border: 1px solid rgba(255, 255, 255, .32); border-radius: 40px; padding: 7px 16px; margin-bottom: 26px;
    background: rgba(255, 255, 255, .06); backdrop-filter: blur(4px);
}
.dg-hero-eyebrow-dot { width: 8px; height: 8px; border-radius: 50%; background: #fff; box-shadow: 0 0 0 4px rgba(255,255,255,.18); }

.dg-hero-title { font-weight: 700; line-height: 1.1; letter-spacing: .5px; color: #fff; }
.dg-hero-title-accent { display: block; font-size: clamp(26px, 4vw, 44px); color: #fff; opacity: .92; }
.dg-hero-title-main { display: block; font-size: clamp(34px, 5.2vw, 60px); color: #fff; margin-top: 6px; }
.dg-hero-title-main::after {
    content: ''; display: block; width: 68px; height: 4px; border-radius: 2px;
    background: var(--dg-primary-light); margin-top: 18px;
}

.dg-hero-sub { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 22px; }
.dg-hero-biz { font-size: 15px; color: rgba(255, 255, 255, .86); font-weight: 500; }
.dg-hero-sep { width: 5px; height: 5px; border-radius: 50%; background: var(--dg-primary-light); }

.dg-hero-trust { display: grid; grid-template-columns: repeat(2, auto); gap: 12px 24px; margin-top: 28px; }
.dg-hero-trust li { display: flex; align-items: center; gap: 8px; font-size: 15px; color: rgba(255, 255, 255, .92); }
.dg-hero-trust .dg-icon { color: #fff; }

.dg-hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 38px; }
.dg-hero-actions .dg-btn-primary { box-shadow: 0 10px 30px rgba(15, 61, 142, .35); }
.dg-hero-actions .dg-btn-outline { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .55); }
.dg-hero-actions .dg-btn-outline:hover { background: rgba(255, 255, 255, .12); border-color: #fff; transform: translateY(-2px); }

/* 尊重系统「减少动效」偏好 */
@media (prefers-reduced-motion: reduce) {
    .dg-hero-bg, .dg-hero-rain::before, .dg-hero-streak { animation: none; }
}

/* ==========================================================================
   区块通用（二屏 服务范围）
   ========================================================================== */
.dg-section { background: var(--dg-bg); padding: 72px 0; }
.dg-section + .dg-section { border-top: 1px solid var(--dg-line); }

.dg-section-head { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.dg-section-kicker { display: block; font-size: 13px; letter-spacing: 3px; color: var(--dg-clean); font-weight: 500; margin-bottom: 10px; }
.dg-section-title { font-size: clamp(26px, 3.4vw, 38px); font-weight: 700; color: var(--dg-text); }
.dg-section-sub { margin-top: 14px; font-size: 16px; color: var(--dg-clean); font-weight: 300; }

/* 服务范围：实景背景卡片（2223 栅格：2+2+2+3） */
.dg-services-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px; }
.dg-service-card {
    position: relative; display: flex; flex-direction: column; justify-content: flex-end;
    grid-column: span 3; min-height: 216px; padding: 26px 24px 22px;
    border-radius: var(--dg-radius); overflow: hidden; isolation: isolate;
    color: #fff; border: 1px solid rgba(255, 255, 255, .08);
    transition: transform .2s, box-shadow .2s, border-color .2s;
}
.dg-service-card:nth-child(n+7) { grid-column: span 2; } /* 末行 3 个 */

.dg-service-bg { position: absolute; inset: 0; z-index: -2; background-size: cover; background-position: center; transition: transform .4s; }
.dg-service-card::before {
    content: ''; position: absolute; inset: 0; z-index: -1;
    background: linear-gradient(180deg, rgba(31, 36, 48, .04) 0%, rgba(31, 36, 48, .55) 48%, rgba(16, 22, 32, .86) 100%);
}
.dg-service-card:hover { transform: translateY(-3px); box-shadow: 0 16px 34px rgba(16, 22, 32, .20); border-color: rgba(255, 255, 255, .18); }
.dg-service-card:hover .dg-service-bg { transform: scale(1.06); }

.dg-service-content { position: relative; }
.dg-service-icon { width: 46px; height: 46px; border-radius: var(--dg-radius); background: rgba(255, 255, 255, .16); color: #fff; display: inline-flex; align-items: center; justify-content: center; margin-bottom: 14px; backdrop-filter: blur(4px); }
.dg-service-name { font-size: 18px; font-weight: 700; color: #fff; }
.dg-service-desc { margin-top: 8px; font-size: 13px; line-height: 1.65; color: rgba(255, 255, 255, .82); font-weight: 400; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.dg-service-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 14px; font-size: 13px; font-weight: 500; color: rgba(255, 255, 255, .92); }
.dg-service-link .dg-icon { transition: transform .2s; }
.dg-service-card:hover .dg-service-link .dg-icon { transform: translateX(4px); }

/* ==========================================================================
   区块通用辅助（交替底 / 紧凑间距）
   ========================================================================== */
.dg-section-alt { background: var(--dg-alt); }
.dg-section-tight { padding: 64px 0; }

/* ==========================================================================
   核心优势（分栏对比：左标题 + 右特性列表）
   ========================================================================== */
.dg-split { display: grid; grid-template-columns: 1fr 1.35fr; gap: 56px; align-items: center; }
.dg-split-left .dg-section-sub { max-width: 420px; }
.dg-split-cta { margin-top: 28px; }
.dg-adv-card { display: flex; gap: 18px; align-items: flex-start; padding: 22px 0; border-bottom: 1px solid var(--dg-line); }
.dg-adv-card:last-child { border-bottom: none; }
.dg-adv-icon { width: 52px; height: 52px; border-radius: var(--dg-radius); background: var(--dg-blue-tint); color: var(--dg-primary); display: inline-flex; align-items: center; justify-content: center; flex: 0 0 auto; }
.dg-adv-icon .dg-icon { width: 26px; height: 26px; }
.dg-adv-card h3 { font-size: 19px; font-weight: 700; color: var(--dg-text); }
.dg-adv-card p { margin-top: 6px; font-size: 14px; color: var(--dg-clean); }

/* ==========================================================================
   数据背书（品牌色深蓝条）
   ========================================================================== */
.dg-stats { background: linear-gradient(120deg, var(--dg-primary-dark), var(--dg-primary) 55%, var(--dg-primary-light)); padding: 56px 0; }
.dg-stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.dg-stat-item { color: #fff; }
.dg-stat-num { font-size: clamp(34px, 4.5vw, 52px); font-weight: 700; line-height: 1; letter-spacing: .5px; }
.dg-stat-suffix { font-size: .62em; font-weight: 700; margin-left: 2px; }
.dg-stat-label { margin-top: 10px; font-size: 15px; color: rgba(255, 255, 255, .82); }

/* ==========================================================================
   服务流程（步骤线布局）
   ========================================================================== */
.dg-process-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.dg-process-item { position: relative; text-align: center; padding: 0 6px; }
.dg-process-num { width: 56px; height: 56px; margin: 0 auto 18px; border-radius: 50%; background: var(--dg-blue-tint); color: var(--dg-primary); font-size: 24px; font-weight: 700; display: flex; align-items: center; justify-content: center; border: 1px solid rgba(26, 92, 184, .22); position: relative; z-index: 1; }
.dg-process-item h3 { font-size: 17px; font-weight: 700; color: var(--dg-text); }
.dg-process-item p { margin-top: 8px; font-size: 13px; color: var(--dg-clean); line-height: 1.6; }
.dg-process-item:not(:last-child)::after {
    content: ''; position: absolute; top: 27px; left: calc(50% + 34px);
    width: calc(100% - 68px + 18px); height: 2px;
    background: linear-gradient(90deg, var(--dg-line), var(--dg-primary-light));
}

/* ==========================================================================
   资质展示
   ========================================================================== */
.dg-credentials-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.dg-credential-item { text-align: center; }
.dg-credential-img-wrap { border: 1px solid var(--dg-line); border-radius: var(--dg-radius); background: #fff; padding: 12px; display: flex; align-items: center; justify-content: center; height: 150px; }
.dg-credential-img { max-height: 100%; width: auto; filter: drop-shadow(0 2px 6px rgba(31, 36, 48, .08)); }
.dg-credential-item p { margin-top: 12px; font-size: 14px; color: var(--dg-clean); }

/* ==========================================================================
   客户评价（滚动卡片）
   ========================================================================== */
.dg-testimonials-scroll { overflow: hidden; padding: 8px 0 40px; }
.dg-testimonials-track { display: flex; gap: 22px; width: max-content; animation: dgScroll 40s linear infinite; }
.dg-testimonials-track:hover { animation-play-state: paused; }
.dg-testimonial-card { flex: 0 0 auto; width: 360px; background: #fff; border: 1px solid var(--dg-line); border-radius: var(--dg-radius); padding: 30px 28px; box-shadow: 0 8px 26px rgba(31, 36, 48, .06); }
.dg-testimonial-content { font-size: 14.5px; color: var(--dg-clean); line-height: 1.75; }
.dg-testimonial-author { display: flex; align-items: center; gap: 14px; margin-top: 22px; padding-top: 18px; border-top: 1px solid var(--dg-line); }
.dg-testimonial-avatar { width: 42px; height: 42px; border-radius: 50%; background: var(--dg-primary); color: #fff; font-size: 18px; font-weight: 700; display: flex; align-items: center; justify-content: center; }
.dg-testimonial-info h4 { font-size: 15px; font-weight: 700; color: var(--dg-text); }
.dg-testimonial-info p { font-size: 13px; color: var(--dg-clean); }
@keyframes dgScroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ==========================================================================
   客户案例（品牌 LOGO 墙）
   ========================================================================== */
.dg-cases-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.dg-case-card { background: #fff; border: 1px solid var(--dg-line); border-radius: var(--dg-radius); display: flex; align-items: center; justify-content: center; padding: 22px 18px; transition: transform .2s, box-shadow .2s, border-color .2s; }
.dg-case-card:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(31, 36, 48, .08); border-color: rgba(26, 92, 184, .35); }
.dg-case-img img { max-height: 44px; width: auto; max-width: 100%; object-fit: contain; filter: grayscale(1); opacity: .72; transition: filter .2s, opacity .2s; }
.dg-case-card:hover .dg-case-img img { filter: grayscale(0); opacity: 1; }

/* ==========================================================================
   行业资讯
   ========================================================================== */
.dg-articles-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.dg-article-card { border: 1px solid var(--dg-line); border-radius: var(--dg-radius); overflow: hidden; background: #fff; transition: transform .2s, box-shadow .2s; }
.dg-article-card:hover { transform: translateY(-3px); box-shadow: 0 12px 28px rgba(31, 36, 48, .08); }
.dg-article-cover { aspect-ratio: 16 / 9; background: var(--dg-alt); overflow: hidden; }
.dg-article-cover img { width: 100%; height: 100%; object-fit: cover; }
.dg-article-placeholder { display: flex; align-items: center; justify-content: center; height: 100%; color: var(--dg-clean); font-size: 13px; }
.dg-article-body { padding: 18px 20px 22px; }
.dg-article-category { display: inline-block; font-size: 12px; color: var(--dg-primary); background: var(--dg-blue-tint); padding: 3px 10px; border-radius: 3px; font-weight: 500; }
.dg-article-body h3 { margin-top: 12px; font-size: 16px; font-weight: 700; line-height: 1.5; }
.dg-article-body h3 a { color: var(--dg-text); }
.dg-article-body h3 a:hover { color: var(--dg-primary); }
.dg-article-meta { margin-top: 10px; font-size: 13px; color: var(--dg-clean); }
.dg-article-more { text-align: center; margin-top: 40px; }

/* ==========================================================================
   底部CTA
   ========================================================================== */
.dg-footer-cta { background: linear-gradient(120deg, var(--dg-primary-dark), var(--dg-primary) 60%, var(--dg-primary-light)); color: #fff; padding: 56px 0; }
.dg-footer-cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 28px; flex-wrap: wrap; }
.dg-footer-cta-left h2 { font-size: clamp(24px, 3vw, 34px); font-weight: 700; }
.dg-footer-cta-left p { margin-top: 12px; font-size: 16px; color: rgba(255, 255, 255, .85); }
.dg-footer-cta-right { display: flex; gap: 14px; flex-wrap: wrap; }
.dg-btn-light { background: #fff; color: var(--dg-primary); }
.dg-btn-light:hover { background: rgba(255, 255, 255, .88); transform: translateY(-2px); }

/* ==========================================================================
   页脚
   ========================================================================== */
.dg-footer { background: var(--dg-clean-dark); color: rgba(255, 255, 255, .72); padding-top: 56px; }
.dg-footer-inner { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; }
.dg-footer-brand { padding-right: 20px; }
.dg-footer-logo-wrap { display: flex; align-items: center; gap: 12px; }
.dg-footer-logo { height: 40px; width: auto; }
.dg-footer-company-name { font-size: 20px; font-weight: 700; color: #fff; }
.dg-footer-desc { margin-top: 18px; font-size: 14px; line-height: 1.75; color: rgba(255, 255, 255, .62); }
.dg-footer-contact { margin-top: 22px; }
.dg-footer-contact-item { display: flex; align-items: center; gap: 10px; font-size: 14px; color: rgba(255, 255, 255, .82); margin-bottom: 10px; }
.dg-footer-contact-item .dg-icon { color: var(--dg-primary-light); }
.dg-footer-contact-item a { color: rgba(255, 255, 255, .82); }
.dg-footer-links h4 { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 18px; }
.dg-footer-links ul li { margin-bottom: 10px; }
.dg-footer-links a { font-size: 14px; color: rgba(255, 255, 255, .62); transition: color .2s; }
.dg-footer-links a:hover { color: #fff; }
.dg-footer-bottom { border-top: 1px solid rgba(255, 255, 255, .12); padding: 20px 0; }
.dg-footer-bottom-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 13px; color: rgba(255, 255, 255, .55); }
.dg-footer-bottom a { color: rgba(255, 255, 255, .55); }
.dg-footer-bottom a:hover { color: #fff; }

/* ==========================================================================
   右侧浮动条
   ========================================================================== */
.dg-float-bar { position: fixed; right: 20px; bottom: 110px; z-index: 900; display: flex; flex-direction: column; gap: 12px; }
.dg-float-btn { width: 58px; height: 58px; border-radius: 50%; border: none; cursor: pointer; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px; background: var(--dg-primary); color: #fff; box-shadow: 0 8px 22px rgba(26, 92, 184, .4); transition: transform .2s, background .2s; }
.dg-float-btn:hover { transform: translateY(-3px) scale(1.04); }
.dg-float-btn .dg-icon { width: 22px; height: 22px; }
.dg-float-label { font-size: 12px; font-weight: 500; line-height: 1; }
.dg-float-wechat { background: #2AAE67; box-shadow: 0 8px 22px rgba(42, 174, 103, .4); }
.dg-float-quote { background: var(--dg-primary-light); box-shadow: 0 8px 22px rgba(61, 122, 221, .4); }

/* ==========================================================================
   弹窗（电话 / 微信 / AI报价）
   ========================================================================== */
.dg-modal-overlay { position: fixed; inset: 0; background: rgba(31, 36, 48, .55); z-index: 2000; display: flex; align-items: center; justify-content: center; padding: 20px; opacity: 0; visibility: hidden; transition: opacity .25s, visibility .25s; backdrop-filter: blur(2px); }
.dg-modal-overlay.active { opacity: 1; visibility: visible; }
.dg-modal { background: #fff; width: 100%; max-width: 520px; border-radius: var(--dg-radius); box-shadow: 0 24px 60px rgba(31, 36, 48, .3); transform: translateY(14px); transition: transform .25s; overflow: hidden; }
.dg-modal-overlay.active .dg-modal { transform: translateY(0); }
.dg-modal-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 18px 22px; border-bottom: 1px solid var(--dg-line); }
.dg-modal-header h3 { display: flex; align-items: center; gap: 8px; font-size: 18px; font-weight: 700; color: var(--dg-text); }
.dg-modal-header h3 .dg-icon { color: var(--dg-primary); }
.dg-modal-close { width: 44px; height: 44px; border: none; background: none; font-size: 28px; line-height: 1; color: var(--dg-clean); cursor: pointer; display: flex; align-items: center; justify-content: center; }
.dg-modal-close:hover { color: var(--dg-text); }
.dg-modal-body { padding: 22px; }
.dg-modal-quote-title { display: flex; align-items: center; gap: 10px; }
.dg-modal-quote-icon { width: 44px; height: 44px; border-radius: var(--dg-radius); background: var(--dg-blue-tint); color: var(--dg-primary); display: inline-flex; align-items: center; justify-content: center; }
.dg-modal-quote-title small { display: block; font-size: 12px; color: var(--dg-clean); font-weight: 400; }
.dg-phone-modal-number { display: inline-flex; align-items: center; justify-content: center; font-size: 28px; font-weight: 700; color: var(--dg-primary); }
.dg-wechat-qrcode-wrap { width: 172px; height: 172px; margin: 0 auto 6px; border: 1px solid var(--dg-line); border-radius: var(--dg-radius); background: var(--dg-alt); display: flex; align-items: center; justify-content: center; overflow: hidden; }
.dg-wechat-qrcode { max-width: 100%; max-height: 100%; object-fit: contain; }
.dg-qrcode-fallback-txt { font-size: 13px; color: var(--dg-clean); padding: 8px; }

/* ==========================================================================
   报价表单
   ========================================================================== */
.dg-form-group { margin-bottom: 14px; }
.dg-form-group label { display: block; font-size: 13px; color: var(--dg-text); font-weight: 500; margin-bottom: 6px; }
.dg-form-group input[type="tel"], .dg-form-group input[type="number"], .dg-form-group select { width: 100%; padding: 10px 12px; border: 1px solid var(--dg-line); border-radius: var(--dg-radius); font-family: var(--dg-font); font-size: 14px; color: var(--dg-text); background: #fff; }
.dg-form-group input:focus, .dg-form-group select:focus { outline: none; border-color: var(--dg-primary); }
.dg-form-error { display: block; margin-top: 4px; font-size: 12px; color: #D64545; }
.dg-number-input-wrap { position: relative; }
.dg-number-unit { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); font-size: 13px; color: var(--dg-clean); pointer-events: none; }
.dg-quote-params-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.dg-check-option { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--dg-clean); border: 1px solid var(--dg-line); border-radius: 3px; padding: 6px 10px; cursor: pointer; }
.dg-check-option input { accent-color: var(--dg-primary); }
.dg-full-width { grid-column: 1 / -1; }
.dg-btn-block { display: flex; width: 100%; justify-content: center; }
.dg-modal-quote-submit { margin-top: 4px; }
.dg-quote-tip { margin-top: 12px; font-size: 12px; color: var(--dg-clean); text-align: center; }

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width: 992px) {
    .dg-nav { display: none; }
    .dg-nav-toggle { display: inline-flex; }
    .dg-hero { min-height: calc(100vh - var(--dg-header-h)); }
    .dg-hero-inner { padding: 64px 0; }
    .dg-hero-content { max-width: 100%; }
    .dg-services-grid { grid-template-columns: repeat(2, 1fr); }
    .dg-service-card, .dg-service-card:nth-child(n+7) { grid-column: auto; }
}

@media (max-width: 768px) {
    .dg-header-inner { justify-content: space-between; }
    .dg-header-phone { display: none; }
    .dg-header-actions .dg-btn { display: none; }
    .dg-hero-overlay { background: linear-gradient(180deg, rgba(31, 36, 48, .78) 0%, rgba(51, 71, 91, .62) 100%); }
    .dg-services-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .dg-service-card, .dg-service-card:nth-child(n+7) { grid-column: auto; min-height: 190px; }
    .dg-section { padding: 56px 0; }
    /* 移动端页脚精简：隐藏 3 个链接列，仅留品牌+联系方式+版权 */
    .dg-footer-inner { grid-template-columns: 1fr; gap: 24px; }
    .dg-footer-links { display: none; }
    .dg-footer-brand { padding-right: 0; }
}

@media (max-width: 600px) {
    .dg-container { padding: 0 18px; }
    .dg-hero { min-height: 92vh; }
    .dg-hero-trust { grid-template-columns: 1fr; gap: 10px; }
    .dg-service-card { padding: 20px 18px 18px; min-height: 172px; }
}

@media (max-width: 480px) {
    .dg-services-grid { grid-template-columns: 1fr; }
    .dg-btn-lg { padding: 13px 22px; font-size: 15px; }
    .dg-hero-actions .dg-btn { width: 100%; justify-content: center; }
}

/* ==========================================================================
   子页通用：页面 Banner（冷灰蓝深渐变 + 面包屑 + H1）
   通过负 margin 上移到透明顶栏之后，复用顶栏透明态白色文字
   ========================================================================== */
.dg-page-banner {
    margin-top: calc(-1 * var(--dg-header-h));
    padding: calc(var(--dg-header-h) + 54px) 0 54px;
    background: linear-gradient(120deg, var(--dg-primary-dark), var(--dg-primary));
    color: #fff;
}
.dg-breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 13px; color: rgba(255, 255, 255, .78); margin-bottom: 22px; }
.dg-breadcrumb a { color: rgba(255, 255, 255, .78); transition: color .2s; }
.dg-breadcrumb a:hover { color: #fff; }
.dg-breadcrumb .dg-bc-sep { color: rgba(255, 255, 255, .4); }
.dg-page-h1 { font-size: clamp(28px, 4vw, 44px); font-weight: 700; letter-spacing: .5px; }
.dg-page-h1-sub { margin-top: 14px; font-size: 16px; color: rgba(255, 255, 255, .85); font-weight: 300; max-width: 760px; }

/* ==========================================================================
   关于我们：公司介绍（两栏）
   ========================================================================== */
.dg-about-intro { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center; }
.dg-about-intro-text h2 { font-size: clamp(24px, 3vw, 34px); font-weight: 700; color: var(--dg-text); }
.dg-about-intro-text p { margin-top: 16px; font-size: 15.5px; color: var(--dg-clean); line-height: 1.85; }
.dg-about-intro-text .dg-highlight { color: var(--dg-primary); font-weight: 600; }
.dg-about-intro-img { position: relative; border-radius: var(--dg-radius); overflow: hidden; border: 1px solid var(--dg-line); aspect-ratio: 4 / 3; }
.dg-about-intro-img img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ==========================================================================
   关于我们：核心价值（白卡 + 顶部蓝色饰线）
   ========================================================================== */
.dg-values-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.dg-value-card { position: relative; background: #fff; border: 1px solid var(--dg-line); border-radius: var(--dg-radius); padding: 34px 26px 30px; text-align: center; transition: transform .2s, box-shadow .2s, border-color .2s; }
.dg-value-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--dg-primary); border-radius: var(--dg-radius) var(--dg-radius) 0 0; }
.dg-value-card:hover { transform: translateY(-4px); box-shadow: 0 12px 28px rgba(31, 36, 48, .07); border-color: rgba(26, 92, 184, .35); }
.dg-value-icon { width: 60px; height: 60px; margin: 0 auto 18px; border-radius: var(--dg-radius); background: var(--dg-blue-tint); color: var(--dg-primary); display: flex; align-items: center; justify-content: center; }
.dg-value-icon .dg-icon { width: 28px; height: 28px; }
.dg-value-card h3 { font-size: 17px; font-weight: 700; color: var(--dg-text); }
.dg-value-card p { margin-top: 10px; font-size: 13.5px; color: var(--dg-clean); line-height: 1.7; }

/* ==========================================================================
   关于我们：发展历程（垂直时间线，左右交替）
   ========================================================================== */
.dg-timeline { position: relative; max-width: 920px; margin: 0 auto; padding: 16px 0; }
.dg-timeline::before { content: ''; position: absolute; left: 50%; top: 0; bottom: 0; width: 2px; background: linear-gradient(180deg, var(--dg-primary), var(--dg-primary-light)); transform: translateX(-50%); }
.dg-timeline-item { position: relative; width: 50%; padding: 0 44px 34px 0; box-sizing: border-box; }
.dg-timeline-item:nth-child(even) { margin-left: 50%; padding: 0 0 34px 44px; }
.dg-timeline-node { position: absolute; top: 8px; right: -9px; width: 18px; height: 18px; border-radius: 50%; background: #fff; border: 4px solid var(--dg-primary); box-shadow: 0 0 0 4px rgba(26, 92, 184, .12); z-index: 2; }
.dg-timeline-item:nth-child(even) .dg-timeline-node { right: auto; left: -9px; }
.dg-timeline-card { background: #fff; border: 1px solid var(--dg-line); border-radius: var(--dg-radius); padding: 20px 22px; border-left: 3px solid var(--dg-primary); transition: box-shadow .2s, transform .2s; }
.dg-timeline-item:nth-child(even) .dg-timeline-card { border-left: none; border-right: 3px solid var(--dg-primary); }
.dg-timeline-card:hover { box-shadow: 0 10px 26px rgba(31, 36, 48, .06); transform: translateY(-2px); }
.dg-timeline-year { display: inline-block; font-size: 18px; font-weight: 700; color: var(--dg-primary); letter-spacing: .5px; }
.dg-timeline-card h3 { margin-top: 6px; font-size: 16px; font-weight: 700; color: var(--dg-text); }
.dg-timeline-card p { margin-top: 6px; font-size: 13.5px; color: var(--dg-clean); line-height: 1.7; }

/* ==========================================================================
   联系我们：两栏主布局
   ========================================================================== */
.dg-contact-main { display: grid; grid-template-columns: 1fr 1.1fr; gap: 40px; align-items: start; }
.dg-contact-info-card { background: #fff; border: 1px solid var(--dg-line); border-radius: var(--dg-radius); padding: 36px 32px; border-top: 3px solid var(--dg-primary); }
.dg-contact-info-title { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 700; color: var(--dg-text); }
.dg-contact-info-title .dg-icon { color: var(--dg-primary); width: 24px; height: 24px; }
.dg-contact-info-desc { margin-top: 12px; font-size: 14px; color: var(--dg-clean); line-height: 1.7; padding-bottom: 22px; border-bottom: 1px dashed var(--dg-line); }
.dg-contact-info-item { display: flex; align-items: flex-start; gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--dg-alt); }
.dg-contact-info-item:last-child { border-bottom: none; }
.dg-contact-info-icon { width: 44px; height: 44px; border-radius: var(--dg-radius); background: var(--dg-blue-tint); color: var(--dg-primary); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.dg-contact-info-icon .dg-icon { width: 20px; height: 20px; }
.dg-contact-info-body { flex: 1; min-width: 0; }
.dg-contact-info-label { font-size: 12.5px; color: var(--dg-clean); margin-bottom: 4px; }
.dg-contact-info-value { font-size: 15px; font-weight: 600; color: var(--dg-text); line-height: 1.5; word-break: break-all; }
.dg-contact-info-value.phone-link { color: var(--dg-primary); font-size: 19px; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; }
.dg-contact-info-value.phone-link .dg-icon { width: 18px; height: 18px; }
.dg-contact-qr { width: 64px; height: 64px; border: 1px solid var(--dg-line); border-radius: var(--dg-radius); background: var(--dg-alt); object-fit: contain; }

/* ==========================================================================
   联系我们：在线咨询表单
   ========================================================================== */
.dg-contact-form { background: #fff; border: 1px solid var(--dg-line); border-radius: var(--dg-radius); padding: 36px 32px; border-top: 4px solid var(--dg-primary); }
.dg-contact-form h2 { font-size: 20px; font-weight: 700; color: var(--dg-text); }
.dg-contact-form-sub { margin-top: 8px; font-size: 14px; color: var(--dg-clean); }
.dg-contact-form form { margin-top: 24px; }
.dg-f-row { margin-bottom: 16px; }
.dg-f-row label { display: block; font-size: 13.5px; font-weight: 500; color: var(--dg-text); margin-bottom: 7px; }
.dg-f-row label .req { color: #D64545; margin-left: 2px; }
.dg-f-row input, .dg-f-row select, .dg-f-row textarea { width: 100%; padding: 11px 13px; font-size: 14px; color: var(--dg-text); background: #fff; border: 1px solid var(--dg-line); border-radius: var(--dg-radius); font-family: inherit; transition: border-color .2s, box-shadow .2s; box-sizing: border-box; }
.dg-f-row input:focus, .dg-f-row select:focus, .dg-f-row textarea:focus { outline: none; border-color: var(--dg-primary); box-shadow: 0 0 0 3px rgba(26, 92, 184, .10); }
.dg-f-row textarea { resize: vertical; min-height: 110px; line-height: 1.6; }
.dg-f-row-two { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.dg-contact-submit { width: 100%; justify-content: center; margin-top: 6px; }
.dg-contact-tip { margin-top: 14px; text-align: center; font-size: 12.5px; color: var(--dg-clean); display: flex; align-items: center; justify-content: center; gap: 6px; }
.dg-contact-tip .dg-icon { color: var(--dg-primary-light); width: 14px; height: 14px; }

/* ==========================================================================
   联系我们：服务流程（4步步骤线）
   ========================================================================== */
.dg-contact-flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.dg-contact-flow-item { text-align: center; position: relative; padding: 0 8px; }
.dg-contact-flow-num { width: 54px; height: 54px; margin: 0 auto 16px; border-radius: 50%; border: 1px solid rgba(26, 92, 184, .22); background: var(--dg-blue-tint); color: var(--dg-primary); font-size: 22px; font-weight: 700; display: flex; align-items: center; justify-content: center; position: relative; z-index: 1; }
.dg-contact-flow-item h3 { font-size: 16px; font-weight: 700; color: var(--dg-text); }
.dg-contact-flow-item p { margin-top: 8px; font-size: 13px; color: var(--dg-clean); line-height: 1.6; }
.dg-contact-flow-item:not(:last-child)::after { content: ''; position: absolute; top: 27px; left: calc(50% + 32px); width: calc(100% - 64px + 16px); height: 2px; background: linear-gradient(90deg, var(--dg-line), var(--dg-primary-light)); }

/* ==========================================================================
   子页响应式
   ========================================================================== */
@media (max-width: 768px) {
    .dg-about-intro { grid-template-columns: 1fr; gap: 28px; }
    .dg-about-intro-img { order: -1; }
    .dg-values-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .dg-value-card { padding: 26px 18px 24px; }
    .dg-cases-grid { grid-template-columns: repeat(4, 1fr); gap: 14px; }
    .dg-timeline::before { left: 10px; transform: none; }
    .dg-timeline-item, .dg-timeline-item:nth-child(even) { width: 100%; margin-left: 0; padding: 0 0 26px 34px; }
    .dg-timeline-node, .dg-timeline-item:nth-child(even) .dg-timeline-node { left: 1px; right: auto; top: 6px; }
    .dg-timeline-item:nth-child(even) .dg-timeline-card { border-left: 3px solid var(--dg-primary); border-right: none; }
    .dg-contact-main { grid-template-columns: 1fr; gap: 28px; }
    .dg-contact-info-card, .dg-contact-form { padding: 26px 20px; }
    .dg-f-row-two { grid-template-columns: 1fr; gap: 0; }
    .dg-contact-flow { grid-template-columns: 1fr; gap: 18px; }
    .dg-contact-flow-item { display: flex; align-items: center; text-align: left; gap: 16px; padding: 0; }
    .dg-contact-flow-num { margin: 0; flex-shrink: 0; width: 46px; height: 46px; font-size: 18px; }
    .dg-contact-flow-item:not(:last-child)::after { top: auto; left: 23px; right: auto; bottom: -20px; width: 2px; height: 20px; }
}
@media (max-width: 480px) {
    .dg-values-grid { grid-template-columns: 1fr; }
    .dg-cases-grid { grid-template-columns: repeat(2, 1fr); }
    .dg-about-intro-text p { font-size: 14.5px; }
    .dg-page-h1-sub { font-size: 15px; }
}

/* ==========================================================================
   AI报价结果页
   ========================================================================== */
.dg-qr-page { padding-bottom: 64px; }
.dg-qr-hero {
    position: relative; overflow: hidden;
    background: linear-gradient(120deg, var(--dg-clean-dark), var(--dg-primary-dark) 55%, var(--dg-primary));
    color: #fff; padding: 72px 0 100px;
}
.dg-qr-hero::before {
    content: ''; position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
    background-size: 40px 40px; pointer-events: none;
}
.dg-qr-hero-content { position: relative; z-index: 1; }
.dg-qr-ai-badge {
    display: inline-flex; align-items: center; gap: 10px;
    background: rgba(255,255,255,.10); border: 1px solid rgba(255,255,255,.28);
    border-radius: 40px; padding: 8px 18px; font-size: 13px; font-weight: 500; color: #fff;
}
.dg-qr-ai-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: #fff; box-shadow: 0 0 0 4px rgba(255,255,255,.18); }
.dg-qr-main-title { margin-top: 20px; font-size: 16px; font-weight: 500; color: rgba(255,255,255,.88); letter-spacing: 1px; }
.dg-qr-price { display: flex; align-items: baseline; flex-wrap: wrap; gap: 2px; margin-top: 12px; }
.dg-qr-currency { font-size: 22px; font-weight: 700; margin-right: 2px; }
.dg-qr-price-min { font-size: clamp(46px, 7vw, 76px); font-weight: 700; line-height: 1; letter-spacing: -1px; }
.dg-qr-tilde { font-size: 26px; font-weight: 400; margin: 0 10px; color: rgba(255,255,255,.72); }
.dg-qr-price-max { font-size: clamp(34px, 5vw, 54px); font-weight: 700; line-height: 1; letter-spacing: -1px; }
.dg-qr-unit { font-size: 14px; color: rgba(255,255,255,.78); margin-left: 10px; }
.dg-qr-meta { display: flex; flex-wrap: wrap; gap: 0; margin-top: 28px; border-top: 1px solid rgba(255,255,255,.18); padding-top: 20px; }
.dg-qr-meta-item { display: flex; align-items: center; gap: 8px; padding-right: 30px; margin-right: 30px; border-right: 1px solid rgba(255,255,255,.14); font-size: 14px; }
.dg-qr-meta-item:last-child { border-right: none; padding-right: 0; margin-right: 0; }
.dg-qr-meta-item .m-label { color: rgba(255,255,255,.68); }
.dg-qr-meta-item .m-value { font-weight: 600; }

.dg-qr-content { margin-top: -52px; position: relative; z-index: 2; }
.dg-qr-main { display: grid; grid-template-columns: 1.4fr 1fr; gap: 22px; align-items: start; }
.dg-qr-card { background: #fff; border: 1px solid var(--dg-line); border-top: 3px solid var(--dg-primary); border-radius: var(--dg-radius); padding: 26px 26px 16px; }
.dg-qr-card-title { display: flex; align-items: center; gap: 10px; font-size: 18px; font-weight: 700; color: var(--dg-text); padding-bottom: 14px; border-bottom: 1px solid var(--dg-line); }
.dg-qr-card-title .dg-icon { color: var(--dg-primary); }
.dg-qr-table { width: 100%; border-collapse: collapse; margin-top: 6px; }
.dg-qr-table th { text-align: left; font-size: 12px; font-weight: 600; color: var(--dg-clean); padding: 10px 12px; background: var(--dg-alt); border-bottom: 1px solid var(--dg-line); letter-spacing: .5px; }
.dg-qr-table td { padding: 12px; font-size: 14px; color: var(--dg-text); border-bottom: 1px solid var(--dg-alt); }
.dg-qr-table tr:last-child td { border-bottom: none; }
.dg-qr-table .c-qty { text-align: center; color: var(--dg-clean); white-space: nowrap; font-size: 13px; }
.dg-qr-table .c-price { text-align: right; font-weight: 700; color: var(--dg-primary); white-space: nowrap; }
.dg-qr-info-row { display: flex; justify-content: space-between; align-items: center; font-size: 14px; padding: 9px 0; }
.dg-qr-info-row .label { color: var(--dg-clean); }
.dg-qr-info-row .value { font-weight: 600; color: var(--dg-text); }
.dg-qr-info-row .value.highlight { color: var(--dg-primary); }
.dg-qr-disclaimer { margin-top: 14px; background: var(--dg-alt); border-left: 3px solid var(--dg-primary-light); padding: 12px 14px; font-size: 12.5px; color: var(--dg-clean); line-height: 1.7; }
.dg-qr-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.dg-qr-empty { text-align: center; padding: 80px 0; }
.dg-qr-empty h3 { font-size: 22px; font-weight: 700; color: var(--dg-text); margin-bottom: 12px; }
.dg-qr-empty p { color: var(--dg-clean); margin-bottom: 22px; }

@media (max-width: 768px) {
    .dg-qr-hero { padding: 52px 0 74px; }
    .dg-qr-main { grid-template-columns: 1fr; gap: 16px; }
    .dg-qr-card { padding: 18px 16px 12px; }
    .dg-qr-meta-item { padding-right: 16px; margin-right: 16px; flex-wrap: wrap; gap: 4px; font-size: 13px; }
    .dg-qr-price-min { font-size: 44px; }
    .dg-qr-price-max { font-size: 32px; }
    .dg-qr-actions { flex-direction: column; }
    .dg-qr-actions .dg-btn { width: 100%; justify-content: center; }
}

/* ==========================================================================
   服务列表页 services
   ========================================================================== */
.dg-sv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.dg-sv-card {
    display: flex; flex-direction: column; overflow: hidden;
    background: #fff; border: 1px solid var(--dg-line); border-radius: var(--dg-radius);
    border-top: 3px solid var(--dg-primary); transition: transform .2s, box-shadow .2s;
}
.dg-sv-card:hover { transform: translateY(-3px); box-shadow: 0 12px 28px rgba(31, 36, 48, .08); }
.dg-sv-media { aspect-ratio: 16 / 10; overflow: hidden; background: var(--dg-alt); }
.dg-sv-media img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .4s; }
.dg-sv-card:hover .dg-sv-media img { transform: scale(1.04); }
.dg-sv-body { flex: 1; display: flex; flex-direction: column; padding: 22px 22px 24px; }
.dg-sv-body h3 { font-size: 18px; font-weight: 700; color: var(--dg-text); margin-bottom: 10px; }
.dg-sv-body p { flex: 1; font-size: 13.5px; color: var(--dg-clean); line-height: 1.75; margin-bottom: 16px;
    display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.dg-sv-link { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; color: var(--dg-primary); }
.dg-sv-link .dg-icon { transition: transform .2s; }
.dg-sv-card:hover .dg-sv-link .dg-icon { transform: translateX(3px); }

.dg-sv-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; margin-top: 56px; }
.dg-sv-step { text-align: center; padding: 26px 18px; background: #fff; border: 1px solid var(--dg-line); border-radius: var(--dg-radius); position: relative; border-top: 3px solid var(--dg-primary-light); }
.dg-sv-step-num { font-size: 32px; font-weight: 700; color: var(--dg-primary-light); line-height: 1; margin-bottom: 12px; }
.dg-sv-step h4 { font-size: 16px; font-weight: 700; color: var(--dg-text); margin-bottom: 8px; }
.dg-sv-step p { font-size: 13px; color: var(--dg-clean); line-height: 1.7; }

/* ==========================================================================
   常见问题页 faq
   ========================================================================== */
.dg-faq-tabs { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; margin-bottom: 44px; border-bottom: 1px solid var(--dg-line); padding-bottom: 22px; }
.dg-faq-tab {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 22px; background: #fff; border: 1px solid var(--dg-line);
    border-radius: var(--dg-radius); font-size: 15px; font-weight: 600; color: var(--dg-clean);
    cursor: pointer; transition: all .2s;
}
.dg-faq-tab .dg-icon { color: var(--dg-primary-light); }
.dg-faq-tab:hover { border-color: var(--dg-primary); color: var(--dg-primary); }
.dg-faq-tab.active { background: var(--dg-primary); border-color: var(--dg-primary); color: #fff; }
.dg-faq-tab.active .dg-icon { color: rgba(255,255,255,.85); }
.dg-faq-tab-group { display: none; }
.dg-faq-tab-group.active { display: block; }
.dg-faq-group-title { text-align: center; margin-bottom: 28px; }
.dg-faq-group-title .dg-section-kicker { margin-bottom: 6px; }
.dg-faq-group-title h2 { font-size: 26px; font-weight: 700; color: var(--dg-text); letter-spacing: 1px; }

.dg-faq-list { max-width: 880px; margin: 0 auto; }
.dg-faq-item { background: #fff; border: 1px solid var(--dg-line); border-radius: var(--dg-radius); margin-bottom: 12px; overflow: hidden; }
.dg-faq-item[open] { border-color: rgba(26, 92, 184, .35); }
.dg-faq-q {
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
    list-style: none; cursor: pointer; padding: 18px 22px;
    font-size: 15.5px; font-weight: 600; color: var(--dg-text); user-select: none;
}
.dg-faq-q::-webkit-details-marker { display: none; }
.dg-faq-q .dg-icon { flex: 0 0 auto; color: var(--dg-primary-light); transition: transform .2s; }
.dg-faq-item[open] .dg-faq-q .dg-icon { transform: rotate(90deg); color: var(--dg-primary); }
.dg-faq-a { padding: 0 22px 20px; font-size: 14.5px; color: var(--dg-clean); line-height: 1.85; border-top: 1px dashed var(--dg-line); padding-top: 16px; }

.dg-faq-cta {
    max-width: 880px; margin: 52px auto 0; text-align: center;
    padding: 40px 36px; background: var(--dg-alt); border: 1px solid var(--dg-line);
    border-top: 3px solid var(--dg-primary); border-radius: var(--dg-radius);
}
.dg-faq-cta h3 { font-size: 23px; font-weight: 700; color: var(--dg-text); margin-bottom: 10px; }
.dg-faq-cta p { font-size: 15px; color: var(--dg-clean); margin-bottom: 24px; line-height: 1.7; }
.dg-faq-cta-btns { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }

/* ==========================================================================
   资讯列表页 knowledge
   ========================================================================== */
.dg-kn-layout { display: grid; grid-template-columns: 300px 1fr; gap: 40px; align-items: start; }
.dg-kn-sidebar { position: sticky; top: 100px; display: flex; flex-direction: column; gap: 22px; }
.dg-kn-main { min-width: 0; }
.dg-kn-card { background: #fff; border: 1px solid var(--dg-line); border-radius: var(--dg-radius); padding: 22px 20px; }
.dg-kn-card-title { display: flex; align-items: center; gap: 8px; font-size: 16px; font-weight: 700; color: var(--dg-text); letter-spacing: .5px; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 2px solid var(--dg-alt); position: relative; }
.dg-kn-card-title::after { content: ''; position: absolute; left: 0; bottom: -2px; width: 40px; height: 2px; background: var(--dg-primary); }
.dg-kn-card-title .dg-icon { color: var(--dg-primary); }
.dg-kn-cat-list { display: flex; flex-direction: column; gap: 4px; }
.dg-kn-cat-list a { display: flex; align-items: center; justify-content: space-between; padding: 10px 12px; border-radius: 3px; font-size: 14.5px; color: var(--dg-clean); transition: all .2s; border-left: 3px solid transparent; }
.dg-kn-cat-list a:hover { background: var(--dg-alt); color: var(--dg-primary); }
.dg-kn-cat-list a.active { background: var(--dg-blue-tint); color: var(--dg-primary); border-left-color: var(--dg-primary); font-weight: 600; }
.dg-kn-cat-count { font-size: 12.5px; color: var(--dg-clean); background: var(--dg-alt); padding: 2px 9px; border-radius: 12px; }
.dg-kn-cat-list a.active .dg-kn-cat-count { background: var(--dg-primary); color: #fff; }
.dg-kn-hot-list { display: flex; flex-direction: column; gap: 14px; }
.dg-kn-hot-item { display: flex; align-items: flex-start; gap: 12px; }
.dg-kn-hot-rank { flex: 0 0 auto; width: 26px; height: 26px; border-radius: 3px; display: grid; place-items: center; font-size: 13px; font-weight: 700; background: var(--dg-alt); color: var(--dg-clean); }
.dg-kn-hot-item.hot .dg-kn-hot-rank { background: var(--dg-primary); color: #fff; }
.dg-kn-hot-item a { font-size: 14px; color: var(--dg-text); line-height: 1.55; transition: color .2s; }
.dg-kn-hot-item a:hover { color: var(--dg-primary); }
.dg-kn-cta { background: var(--dg-clean-dark); color: #fff; border-radius: var(--dg-radius); padding: 24px 20px; text-align: center; border-top: 3px solid var(--dg-primary-light); }
.dg-kn-cta h4 { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.dg-kn-cta p { font-size: 14px; color: rgba(255,255,255,.8); line-height: 1.7; margin-bottom: 16px; }
.dg-kn-cta .dg-btn { width: 100%; margin-bottom: 10px; justify-content: center; }
.dg-kn-cta .dg-btn:last-child { margin-bottom: 0; }
.dg-kn-filter { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; padding-bottom: 16px; border-bottom: 1px solid var(--dg-line); }
.dg-kn-filter-total { font-size: 14px; color: var(--dg-clean); }
.dg-kn-filter-total strong { color: var(--dg-primary); font-size: 18px; }
.dg-kn-filter-order { font-size: 14px; color: var(--dg-primary); font-weight: 600; }
.dg-kn-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.dg-article-desc { margin-top: 10px; font-size: 14px; color: var(--dg-clean); line-height: 1.7; margin-bottom: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.dg-kn-pagination { display: flex; justify-content: center; align-items: center; gap: 8px; margin-top: 44px; flex-wrap: wrap; }
.dg-kn-pagination a, .dg-kn-pagination span { min-width: 40px; height: 40px; padding: 0 12px; display: inline-flex; align-items: center; justify-content: center; background: #fff; border: 1px solid var(--dg-line); border-radius: 3px; font-size: 14px; color: var(--dg-clean); transition: all .2s; }
.dg-kn-pagination a:hover { border-color: var(--dg-primary); color: var(--dg-primary); }
.dg-kn-pagination .active { background: var(--dg-primary); border-color: var(--dg-primary); color: #fff; font-weight: 600; }
.dg-kn-pagination .disabled { opacity: .55; cursor: not-allowed; }
.dg-kn-empty { text-align: center; padding: 60px 0; color: var(--dg-clean); font-size: 16px; }

/* ==========================================================================
   资讯详情页 knowledge_detail
   ========================================================================== */
.dg-page-banner-sm { padding: 52px 0 48px; }
.dg-page-banner-sm .dg-page-h1 { font-size: clamp(24px, 3vw, 34px); }
.dg-kd-layout { display: grid; grid-template-columns: 1fr 300px; gap: 40px; align-items: start; }
.dg-kd-sidebar { position: sticky; top: 100px; display: flex; flex-direction: column; gap: 22px; }
.dg-kd-main { min-width: 0; }
.dg-kd-article { background: #fff; border: 1px solid var(--dg-line); border-radius: var(--dg-radius); border-top: 3px solid var(--dg-primary); padding: 40px 44px; }
.dg-kd-tag { display: inline-flex; align-items: center; gap: 6px; padding: 4px 12px; border-radius: 3px; background: var(--dg-blue-tint); color: var(--dg-primary); font-size: 12.5px; font-weight: 500; margin-bottom: 14px; }
.dg-kd-tag a { color: var(--dg-primary); }
.dg-kd-title { font-size: 28px; font-weight: 700; line-height: 1.45; color: var(--dg-text); letter-spacing: .5px; margin-bottom: 18px; }
.dg-kd-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; padding-bottom: 22px; margin-bottom: 26px; border-bottom: 1px solid var(--dg-line); font-size: 13.5px; color: var(--dg-clean); }
.dg-kd-meta .dg-icon { color: var(--dg-primary-light); margin-right: 5px; vertical-align: -2px; }
.dg-kd-meta a { color: var(--dg-primary); }
.dg-kd-serve { color: var(--dg-primary); font-weight: 500; }
.dg-kd-cover { height: 340px; border-radius: var(--dg-radius); overflow: hidden; margin-bottom: 30px; background: var(--dg-alt); }
.dg-kd-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.dg-kd-content { font-size: 16px; color: var(--dg-text); line-height: 1.9; }
.dg-kd-content p { margin-bottom: 20px; }
.dg-kd-content h2, .dg-kd-content h3 { font-weight: 700; color: var(--dg-text); margin: 34px 0 16px; line-height: 1.5; }
.dg-kd-content h2 { font-size: 23px; padding-left: 14px; border-left: 3px solid var(--dg-primary); }
.dg-kd-content h3 { font-size: 19px; }
.dg-kd-content ul, .dg-kd-content ol { margin: 0 0 20px; padding-left: 24px; }
.dg-kd-content li { margin-bottom: 8px; }
.dg-kd-content img { max-width: 100%; border-radius: var(--dg-radius); margin: 10px 0; }
.dg-kd-content blockquote { margin: 20px 0; padding: 16px 20px; background: var(--dg-alt); border-left: 3px solid var(--dg-primary); border-radius: 0 var(--dg-radius) var(--dg-radius) 0; color: var(--dg-clean); }
.dg-kd-content strong { color: var(--dg-primary-dark); }
.dg-kd-keywords { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 32px; padding-top: 22px; border-top: 1px solid var(--dg-line); }
.dg-kd-keywords .dg-icon { color: var(--dg-primary-light); }
.dg-kd-keyword { padding: 5px 14px; border-radius: 3px; background: var(--dg-alt); color: var(--dg-clean); font-size: 13px; transition: all .2s; }
.dg-kd-keyword:hover { background: var(--dg-blue-tint); color: var(--dg-primary); }
.dg-kd-service-card { display: flex; gap: 24px; margin-top: 34px; background: var(--dg-alt); border: 1px solid var(--dg-line); border-radius: var(--dg-radius); overflow: hidden; border-top: 3px solid var(--dg-primary); }
.dg-kd-service-img { flex: 0 0 220px; background: #fff; }
.dg-kd-service-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.dg-kd-service-body { padding: 26px 26px 26px 0; }
.dg-kd-service-body h3 { font-size: 20px; font-weight: 700; color: var(--dg-text); margin-bottom: 12px; }
.dg-kd-service-body p { font-size: 14.5px; color: var(--dg-clean); line-height: 1.8; margin-bottom: 18px; }
.dg-kd-service-btns { display: flex; flex-wrap: wrap; gap: 12px; }
.dg-kd-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 34px; }
.dg-kd-nav-link { display: block; background: #fff; border: 1px solid var(--dg-line); border-radius: var(--dg-radius); padding: 18px 20px; transition: all .2s; }
.dg-kd-nav-link:hover { border-color: var(--dg-primary); box-shadow: 0 12px 26px rgba(31, 36, 48, .08); }
.dg-kd-nav-link.dg-kd-nav-next { text-align: right; }
.dg-kd-nav-label { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--dg-clean); margin-bottom: 8px; }
.dg-kd-nav-next .dg-kd-nav-label { justify-content: flex-end; }
.dg-kd-nav-title { font-size: 15px; font-weight: 600; color: var(--dg-text); line-height: 1.5; }
.dg-kd-nav-title:hover { color: var(--dg-primary); }
.dg-kd-nav-empty { visibility: hidden; }
.dg-kd-related { margin-top: 40px; }
.dg-kd-related-title { font-size: 20px; font-weight: 700; color: var(--dg-text); margin-bottom: 22px; padding-bottom: 12px; border-bottom: 2px solid var(--dg-alt); position: relative; }
.dg-kd-related-title::after { content: ''; position: absolute; left: 0; bottom: -2px; width: 42px; height: 2px; background: var(--dg-primary); }
.dg-kd-related-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.dg-kd-card { background: #fff; border: 1px solid var(--dg-line); border-radius: var(--dg-radius); padding: 22px 20px; }
.dg-kd-card-title { display: flex; align-items: center; gap: 8px; font-size: 16px; font-weight: 700; color: var(--dg-text); letter-spacing: .5px; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 2px solid var(--dg-alt); position: relative; }
.dg-kd-card-title::after { content: ''; position: absolute; left: 0; bottom: -2px; width: 40px; height: 2px; background: var(--dg-primary); }
.dg-kd-card-title .dg-icon { color: var(--dg-primary); }
.dg-kd-service-img-sm { height: 130px; border-radius: 3px; overflow: hidden; background: var(--dg-alt); margin-bottom: 14px; }
.dg-kd-service-img-sm img { width: 100%; height: 100%; object-fit: cover; display: block; }
.dg-kd-service-card-body h3 { font-size: 18px; font-weight: 700; color: var(--dg-text); margin-bottom: 10px; }
.dg-kd-service-card-body p { font-size: 13.5px; color: var(--dg-clean); line-height: 1.75; margin-bottom: 14px; }
.dg-kd-hot-list { display: flex; flex-direction: column; gap: 14px; }
.dg-kd-hot-item { display: flex; align-items: flex-start; gap: 12px; }
.dg-kd-hot-rank { flex: 0 0 auto; width: 26px; height: 26px; border-radius: 3px; display: grid; place-items: center; font-size: 13px; font-weight: 700; background: var(--dg-alt); color: var(--dg-clean); }
.dg-kd-hot-item.hot .dg-kd-hot-rank { background: var(--dg-primary); color: #fff; }
.dg-kd-hot-item a { font-size: 14px; color: var(--dg-text); line-height: 1.55; transition: color .2s; }
.dg-kd-hot-item a:hover { color: var(--dg-primary); }
.dg-kd-cta { background: var(--dg-clean-dark); color: #fff; border-radius: var(--dg-radius); padding: 24px 20px; text-align: center; border-top: 3px solid var(--dg-primary-light); }
.dg-kd-cta h4 { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.dg-kd-cta p { font-size: 14px; color: rgba(255,255,255,.8); line-height: 1.7; margin-bottom: 16px; }
.dg-kd-cta .dg-btn { width: 100%; margin-bottom: 10px; justify-content: center; }
.dg-kd-cta .dg-btn:last-child { margin-bottom: 0; }

@media (max-width: 992px) {
    .dg-sv-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .dg-sv-steps { grid-template-columns: repeat(2, 1fr); }
    .dg-kn-layout { grid-template-columns: 1fr; gap: 32px; }
    .dg-kn-sidebar { position: static; }
    .dg-kd-layout { grid-template-columns: 1fr; gap: 32px; }
    .dg-kd-sidebar { position: static; }
    .dg-kd-article { padding: 28px 24px; }
    .dg-kd-service-card { flex-direction: column; }
    .dg-kd-service-img { flex: 0 0 auto; height: 200px; }
    .dg-kd-service-body { padding: 0 22px 24px; }
    .dg-kd-related-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
    .dg-sv-grid { grid-template-columns: 1fr; }
    .dg-sv-steps { grid-template-columns: 1fr; }
    .dg-kn-grid { grid-template-columns: 1fr; }
    .dg-kd-nav { grid-template-columns: 1fr; }
    .dg-kd-nav-link.dg-kd-nav-next { text-align: left; }
    .dg-kd-nav-next .dg-kd-nav-label { justify-content: flex-start; }
    .dg-kd-related-grid { grid-template-columns: 1fr; }
    .dg-kd-cover { height: 220px; }
    .dg-faq-tabs { gap: 8px; padding-bottom: 16px; }
    .dg-faq-tab { padding: 10px 16px; font-size: 14px; }
    .dg-faq-cta { padding: 28px 20px; }
    .dg-faq-cta-btns { gap: 10px; }
}

/* ==========================================================================
   服务详情页 services/detail
   ========================================================================== */
.dg-sd-hero { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.dg-sd-hero-img { border-radius: var(--dg-radius); overflow: hidden; border: 1px solid var(--dg-line); border-top: 3px solid var(--dg-primary); background: var(--dg-alt); aspect-ratio: 4/3; }
.dg-sd-hero-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.dg-sd-hero-text h2 { font-size: 28px; font-weight: 700; color: var(--dg-text); letter-spacing: .5px; line-height: 1.4; margin-bottom: 20px; }
.dg-sd-hero-text p { font-size: 15.5px; color: var(--dg-clean); line-height: 1.9; margin-bottom: 16px; }
.dg-sd-hero-feats { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.dg-sd-hero-feat { display: inline-flex; align-items: center; gap: 7px; padding: 8px 16px; border: 1px solid var(--dg-line); border-radius: var(--dg-radius); background: #fff; color: var(--dg-primary-dark); font-size: 13.5px; font-weight: 500; }
.dg-sd-hero-feat .dg-icon { color: var(--dg-primary); }

.dg-sd-plans { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.dg-sd-plan { background: #fff; border: 1px solid var(--dg-line); border-radius: var(--dg-radius); overflow: hidden; border-top: 3px solid var(--dg-primary); transition: all .2s; }
.dg-sd-plan:hover { border-color: var(--dg-primary-light); box-shadow: 0 12px 26px rgba(31, 36, 48, .08); transform: translateY(-4px); }
.dg-sd-plan-img { height: 180px; overflow: hidden; background: var(--dg-alt); }
.dg-sd-plan-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.dg-sd-plan:hover .dg-sd-plan-img img { transform: scale(1.05); }
.dg-sd-plan-body { padding: 22px 24px 26px; }
.dg-sd-plan-body h3 { font-size: 18px; font-weight: 700; color: var(--dg-text); margin-bottom: 10px; }
.dg-sd-plan-body p { font-size: 14px; color: var(--dg-clean); line-height: 1.75; margin-bottom: 14px; }
.dg-sd-plan-price { font-size: 16px; font-weight: 700; color: var(--dg-primary); display: inline-flex; align-items: center; gap: 6px; }
.dg-sd-plan-price .dg-icon { color: var(--dg-primary-light); }

.dg-sd-craft-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.dg-sd-craft { background: #fff; border: 1px solid var(--dg-line); border-radius: var(--dg-radius); padding: 24px 22px; border-top: 3px solid var(--dg-primary-light); transition: all .2s; }
.dg-sd-craft:hover { transform: translateY(-4px); box-shadow: 0 12px 26px rgba(31, 36, 48, .08); border-color: var(--dg-primary-light); }
.dg-sd-craft-num { width: 42px; height: 42px; border-radius: var(--dg-radius); background: var(--dg-primary); color: #fff; font-size: 16px; font-weight: 700; display: flex; align-items: center; justify-content: center; margin-bottom: 14px; }
.dg-sd-craft h3 { font-size: 16px; font-weight: 700; color: var(--dg-text); margin-bottom: 8px; }
.dg-sd-craft p { font-size: 13.5px; color: var(--dg-clean); line-height: 1.7; }

.dg-sd-std-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.dg-sd-std { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 14px; background: #fff; border: 1px solid var(--dg-line); border-radius: var(--dg-radius); padding: 28px 20px 26px; border-top: 3px solid var(--dg-primary-light); transition: all .2s; }
.dg-sd-std:hover { transform: translateY(-4px); box-shadow: 0 12px 26px rgba(31, 36, 48, .08); border-color: var(--dg-primary-light); }
.dg-sd-std-ic { width: 52px; height: 52px; border-radius: var(--dg-radius); background: var(--dg-blue-tint); color: var(--dg-primary); display: flex; align-items: center; justify-content: center; }
.dg-sd-std-ic .dg-icon { width: 24px; height: 24px; }
.dg-sd-std > span:last-child { font-size: 14px; color: var(--dg-text); line-height: 1.7; }

.dg-sd-process { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.dg-sd-process-step { text-align: center; position: relative; padding: 26px 16px 24px; background: #fff; border: 1px solid var(--dg-line); border-radius: var(--dg-radius); transition: all .2s; }
.dg-sd-process-step:hover { border-color: var(--dg-primary-light); box-shadow: 0 12px 26px rgba(31, 36, 48, .08); }
.dg-sd-process-step::before { content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 44px; height: 3px; background: var(--dg-primary); }
.dg-sd-process-num { width: 48px; height: 48px; margin: 0 auto 14px; border-radius: 50%; background: var(--dg-primary); color: #fff; font-size: 18px; font-weight: 700; display: flex; align-items: center; justify-content: center; }
.dg-sd-process-step h4 { font-size: 16px; font-weight: 700; color: var(--dg-text); margin-bottom: 8px; }
.dg-sd-process-step p { font-size: 13px; color: var(--dg-clean); line-height: 1.65; }

.dg-sd-cases { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.dg-sd-case { display: flex; align-items: center; justify-content: center; padding: 20px 16px; background: #fff; border: 1px solid var(--dg-line); border-radius: var(--dg-radius); transition: all .2s; }
.dg-sd-case:hover { transform: translateY(-4px); border-color: var(--dg-primary-light); }
.dg-sd-case img { width: 100%; height: 46px; object-fit: contain; display: block; }

.dg-sd-reasons { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.dg-sd-reason { background: #fff; border: 1px solid var(--dg-line); border-radius: var(--dg-radius); padding: 30px 24px; text-align: center; border-top: 3px solid var(--dg-primary); transition: all .2s; }
.dg-sd-reason:hover { transform: translateY(-4px); box-shadow: 0 12px 26px rgba(31, 36, 48, .08); }
.dg-sd-reason-ic { width: 54px; height: 54px; margin: 0 auto 16px; border-radius: var(--dg-radius); background: var(--dg-primary); color: #fff; display: flex; align-items: center; justify-content: center; }
.dg-sd-reason-ic .dg-icon { width: 26px; height: 26px; }
.dg-sd-reason h3 { font-size: 17px; font-weight: 700; color: var(--dg-text); margin-bottom: 10px; }
.dg-sd-reason p { font-size: 13.5px; color: var(--dg-clean); line-height: 1.75; }

.dg-sd-faq { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; max-width: 1060px; margin: 0 auto; align-items: start; }
.dg-sd-faq .dg-faq-item { text-align: left; margin-bottom: 0; }

.dg-sd-articles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.dg-sd-articles .dg-article-body h3 { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; line-height: 1.55; min-height: calc(3em * 1.55); }

@media (max-width: 992px) {
    .dg-sd-hero { grid-template-columns: 1fr; gap: 28px; }
    .dg-sd-hero-img { order: -1; }
    .dg-sd-plans, .dg-sd-reasons { grid-template-columns: repeat(2, 1fr); }
    .dg-sd-craft-grid { grid-template-columns: repeat(2, 1fr); }
    .dg-sd-std-grid { grid-template-columns: repeat(2, 1fr); }
    .dg-sd-process { grid-template-columns: repeat(2, 1fr); }
    .dg-sd-cases { grid-template-columns: repeat(3, 1fr); }
    .dg-sd-articles { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
    .dg-sd-hero-text h2 { font-size: 23px; }
    .dg-sd-plans, .dg-sd-reasons, .dg-sd-craft-grid, .dg-sd-std-grid { grid-template-columns: 1fr; }
    .dg-sd-process { grid-template-columns: 1fr; }
    .dg-sd-process-step { text-align: left; display: grid; grid-template-columns: 44px 1fr; column-gap: 14px; row-gap: 4px; padding: 14px 16px; border-left: 3px solid var(--dg-primary); }
    .dg-sd-process-num { grid-row: 1/3; grid-column: 1; align-self: center; margin: 0; width: 42px; height: 42px; }
    .dg-sd-process-step h4 { grid-column: 2; grid-row: 1; margin: 0; }
    .dg-sd-process-step p { grid-column: 2; grid-row: 2; }
    .dg-sd-cases { grid-template-columns: repeat(2, 1fr); }
    .dg-sd-articles { grid-template-columns: 1fr; }
    .dg-sd-faq { grid-template-columns: 1fr; }
}

/* ==========================================================================
   差异化：错位标题（服务详情 v2 / 关于我们 v2 共用）
   工业洁净 · 精细网格 · 大留白 · 细线分割
   ========================================================================== */
.dg-sec-head { margin-bottom: 44px; }
.dg-sec-head.dg-sec-head-left { text-align: left; }
.dg-sec-kicker { display: block; font-size: 12px; letter-spacing: 3px; color: var(--dg-clean); font-weight: 500; margin-bottom: 12px; }
.dg-sec-title { font-size: clamp(24px, 3vw, 34px); font-weight: 700; color: var(--dg-text); line-height: 1.3; padding-left: 16px; border-left: 4px solid var(--dg-primary); }
.dg-sec-sub { margin-top: 14px; font-size: 15px; color: var(--dg-clean); font-weight: 300; max-width: 680px; }
.dg-sec-head.dg-sec-head-left .dg-sec-sub { margin-left: 20px; }

/* ==========================================================================
   差异化：服务详情页 v2（大图 banner + 数据条 + 方案分栏 + 节流管线）
   ========================================================================== */
.dg-sd-banner { position: relative; margin-top: calc(-1 * var(--dg-header-h)); padding: calc(var(--dg-header-h) + 110px) 0 120px; background-size: cover; background-position: center; color: #fff; }
.dg-sd-banner-overlay { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(15,61,142,.92) 0%, rgba(26,92,184,.78) 55%, rgba(61,122,221,.45) 100%); }
.dg-sd-banner-inner { position: relative; z-index: 2; }
.dg-sd-banner .dg-breadcrumb { color: rgba(255,255,255,.78); }
.dg-sd-banner .dg-breadcrumb a { color: rgba(255,255,255,.78); }
.dg-sd-banner .dg-breadcrumb a:hover { color: #fff; }
.dg-sd-banner-head { margin-top: 30px; }
.dg-sd-banner-head h1 { font-size: clamp(30px, 4.4vw, 52px); font-weight: 700; letter-spacing: 1px; line-height: 1.2; padding-left: 20px; border-left: 4px solid #fff; }
.dg-sd-banner-head p { margin-top: 18px; font-size: 16px; color: rgba(255,255,255,.88); font-weight: 300; max-width: 720px; line-height: 1.8; padding-left: 20px; }

/* 数据卖点条 */
.dg-sd-band { background: #fff; border-bottom: 1px solid var(--dg-line); }
.dg-sd-band-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.dg-sd-band-item { text-align: center; padding: 34px 20px; border-left: 1px solid var(--dg-line); }
.dg-sd-band-item:first-child { border-left: none; }
.dg-sd-band-num { font-size: clamp(34px, 4vw, 48px); font-weight: 700; color: var(--dg-primary); line-height: 1; }
.dg-sd-band-num span { font-size: .55em; color: var(--dg-clean); margin-left: 2px; font-weight: 500; }
.dg-sd-band-label { margin-top: 10px; font-size: 14px; color: var(--dg-clean); letter-spacing: 1px; }

/* 方案：左侧清单表 + 右侧大图 */
.dg-sd-plan-layout { display: grid; grid-template-columns: 1.15fr 1fr; gap: 40px; align-items: stretch; }
.dg-sd-plan-list { border-top: 1px solid var(--dg-line); }
.dg-sd-plan-row { display: flex; align-items: center; gap: 20px; padding: 22px 6px; border-bottom: 1px solid var(--dg-line); transition: background .2s; }
.dg-sd-plan-row:hover { background: var(--dg-blue-tint); }
.dg-sd-plan-index { flex: 0 0 auto; width: 46px; height: 46px; border-radius: var(--dg-radius); border: 1px solid var(--dg-line); color: var(--dg-primary); font-size: 15px; font-weight: 700; display: flex; align-items: center; justify-content: center; }
.dg-sd-plan-info { flex: 1; min-width: 0; }
.dg-sd-plan-info h3 { font-size: 17px; font-weight: 700; color: var(--dg-text); margin-bottom: 6px; }
.dg-sd-plan-info p { font-size: 13.5px; color: var(--dg-clean); line-height: 1.6; }
.dg-sd-plan-price { flex: 0 0 auto; text-align: right; font-size: 17px; font-weight: 700; color: var(--dg-primary); white-space: nowrap; }
.dg-sd-plan-price span { display: block; font-size: 12px; font-weight: 400; color: var(--dg-clean); margin-bottom: 2px; }
.dg-sd-plan-visual { border-radius: var(--dg-radius); overflow: hidden; border: 1px solid var(--dg-line); border-top: 3px solid var(--dg-primary); min-height: 260px; }
.dg-sd-plan-visual img { width: 100%; height: 100%; min-height: 260px; object-fit: cover; display: block; }

/* 工艺：横向节流管线 */
.dg-sd-craft-flow { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; position: relative; }
.dg-sd-craft-node { position: relative; text-align: center; padding: 0 10px; }
.dg-sd-craft-node::before { content: ''; position: absolute; top: 23px; left: -50%; width: 100%; height: 1px; border-top: 1px dashed var(--dg-primary-light); }
.dg-sd-craft-node:first-child::before { display: none; }
.dg-sd-craft-dot { width: 46px; height: 46px; margin: 0 auto 16px; border-radius: 50%; border: 2px solid var(--dg-primary); background: #fff; color: var(--dg-primary); font-size: 16px; font-weight: 700; display: flex; align-items: center; justify-content: center; position: relative; z-index: 1; }
.dg-sd-craft-node h3 { font-size: 16px; font-weight: 700; color: var(--dg-text); margin-bottom: 8px; }
.dg-sd-craft-node p { font-size: 13px; color: var(--dg-clean); line-height: 1.7; }

/* 标准：图标 + 细线清单 */
.dg-sd-std-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 44px; }
.dg-sd-std-item { display: flex; align-items: flex-start; gap: 16px; padding: 20px 4px; border-bottom: 1px solid var(--dg-line); }
.dg-sd-std-ic { flex: 0 0 auto; width: 46px; height: 46px; border-radius: var(--dg-radius); background: var(--dg-blue-tint); color: var(--dg-primary); display: flex; align-items: center; justify-content: center; }
.dg-sd-std-ic .dg-icon { width: 22px; height: 22px; }
.dg-sd-std-tx h3 { font-size: 15.5px; font-weight: 700; color: var(--dg-text); margin-bottom: 5px; }
.dg-sd-std-tx p { font-size: 13.5px; color: var(--dg-clean); line-height: 1.65; }

/* 流程：节流式步骤管线 */
.dg-sd-process-line { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; position: relative; }
.dg-sd-process-node { position: relative; text-align: center; padding: 0 8px; }
.dg-sd-process-node::before { content: ''; position: absolute; top: 22px; left: -50%; width: 100%; height: 1px; border-top: 1px solid var(--dg-line); }
.dg-sd-process-node:first-child::before { display: none; }
.dg-sd-process-dot { width: 44px; height: 44px; margin: 0 auto 14px; border-radius: 50%; background: var(--dg-primary); color: #fff; font-size: 16px; font-weight: 700; display: flex; align-items: center; justify-content: center; position: relative; z-index: 1; box-shadow: 0 0 0 5px var(--dg-blue-tint); }
.dg-sd-process-node h4 { font-size: 15.5px; font-weight: 700; color: var(--dg-text); margin-bottom: 7px; }
.dg-sd-process-node p { font-size: 12.5px; color: var(--dg-clean); line-height: 1.6; }

/* 案例：细线网格 LOGO 墙 */
.dg-sd-case-grid { display: grid; grid-template-columns: repeat(6, 1fr); border-top: 1px solid var(--dg-line); border-left: 1px solid var(--dg-line); }
.dg-sd-case-cell { display: flex; align-items: center; justify-content: center; padding: 24px 16px; border-right: 1px solid var(--dg-line); border-bottom: 1px solid var(--dg-line); background: #fff; min-height: 86px; }
.dg-sd-case-cell img { max-width: 90%; max-height: 44px; object-fit: contain; opacity: .82; transition: opacity .2s; }
.dg-sd-case-cell:hover img { opacity: 1; }

/* 理由：左图右文分栏 */
.dg-sd-reason-split { display: grid; grid-template-columns: 1fr 1.05fr; gap: 48px; align-items: stretch; }
.dg-sd-reason-visual { position: relative; border-radius: var(--dg-radius); overflow: hidden; border: 1px solid var(--dg-line); border-top: 3px solid var(--dg-primary); min-height: 320px; }
.dg-sd-reason-visual > img { width: 100%; height: 100%; min-height: 320px; object-fit: cover; display: block; }
.dg-sd-reason-quote { position: absolute; left: 0; right: 0; bottom: 0; padding: 26px 28px; background: linear-gradient(transparent, rgba(15,61,142,.86)); }
.dg-sd-reason-quote p { color: #fff; font-size: 16px; font-weight: 500; line-height: 1.7; }
.dg-sd-reason-body .dg-sec-kicker { color: var(--dg-primary); }
.dg-sd-reason-list { margin-top: 26px; border-top: 1px solid var(--dg-line); }
.dg-sd-reason-item { display: flex; align-items: flex-start; gap: 16px; padding: 18px 4px; border-bottom: 1px solid var(--dg-line); }
.dg-sd-reason-ic { flex: 0 0 auto; width: 44px; height: 44px; border-radius: var(--dg-radius); background: var(--dg-primary); color: #fff; display: flex; align-items: center; justify-content: center; }
.dg-sd-reason-ic .dg-icon { width: 22px; height: 22px; }
.dg-sd-reason-tx h3 { font-size: 15.5px; font-weight: 700; color: var(--dg-text); margin-bottom: 5px; }
.dg-sd-reason-tx p { font-size: 13.5px; color: var(--dg-clean); line-height: 1.65; }

/* FAQ：细线分隔手风琴 */
.dg-sd-faq { max-width: 880px; margin: 0 auto; }
.dg-faq-line { border-bottom: 1px solid var(--dg-line); }
.dg-faq-line:first-child { border-top: 1px solid var(--dg-line); }
.dg-faq-line-q { list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 16px; cursor: pointer; padding: 20px 4px; font-size: 15.5px; font-weight: 600; color: var(--dg-text); user-select: none; }
.dg-faq-line-q::-webkit-details-marker { display: none; }
.dg-faq-line-q .dg-icon { flex: 0 0 auto; color: var(--dg-primary-light); transition: transform .2s; }
.dg-faq-line[open] .dg-faq-line-q .dg-icon { transform: rotate(90deg); color: var(--dg-primary); }
.dg-faq-line-q:hover { color: var(--dg-primary); }
.dg-faq-line-a { padding: 0 4px 22px; font-size: 14.5px; color: var(--dg-clean); line-height: 1.85; }

/* ==========================================================================
   差异化：关于我们页 v2（大留白 + 错位标题 + 节流节点时间线 + 大数字）
   ========================================================================== */
.dg-ab-banner { margin-top: calc(-1 * var(--dg-header-h)); padding: calc(var(--dg-header-h) + 120px) 0 110px; background: linear-gradient(120deg, var(--dg-primary-dark), var(--dg-primary-dark) 60%, var(--dg-primary)); color: #fff; }
.dg-ab-banner .dg-breadcrumb { color: rgba(255,255,255,.78); }
.dg-ab-banner .dg-breadcrumb a { color: rgba(255,255,255,.78); }
.dg-ab-banner .dg-breadcrumb a:hover { color: #fff; }
.dg-ab-banner-head { margin-top: 34px; }
.dg-ab-banner-tag { display: inline-block; font-size: 12px; letter-spacing: 4px; color: rgba(255,255,255,.72); margin-bottom: 18px; border-bottom: 1px solid rgba(255,255,255,.4); padding-bottom: 8px; }
.dg-ab-banner-head h1 { font-size: clamp(32px, 4.6vw, 54px); font-weight: 700; letter-spacing: 1px; line-height: 1.2; }
.dg-ab-banner-head p { margin-top: 18px; font-size: 16px; color: rgba(255,255,255,.85); font-weight: 300; max-width: 680px; line-height: 1.8; }

/* 公司介绍：左图右文 + 细线要点 */
.dg-ab-intro { display: grid; grid-template-columns: 1fr 1.1fr; gap: 52px; align-items: center; }
.dg-ab-intro-visual { position: relative; border-radius: var(--dg-radius); overflow: hidden; border: 1px solid var(--dg-line); border-top: 3px solid var(--dg-primary); aspect-ratio: 4 / 3; }
.dg-ab-intro-visual img { width: 100%; height: 100%; object-fit: cover; display: block; }
.dg-ab-intro-badge { position: absolute; left: 20px; bottom: 20px; background: rgba(26,92,184,.92); color: #fff; border-radius: var(--dg-radius); padding: 12px 20px; font-size: 34px; font-weight: 700; line-height: 1; }
.dg-ab-intro-badge span { font-size: 15px; font-weight: 500; margin-left: 2px; }
.dg-ab-points { margin-top: 26px; border-top: 1px solid var(--dg-line); }
.dg-ab-points li { display: flex; align-items: flex-start; gap: 16px; padding: 18px 4px; border-bottom: 1px solid var(--dg-line); }
.dg-ab-point-ic { flex: 0 0 auto; width: 44px; height: 44px; border-radius: var(--dg-radius); background: var(--dg-blue-tint); color: var(--dg-primary); display: flex; align-items: center; justify-content: center; }
.dg-ab-point-ic .dg-icon { width: 22px; height: 22px; }
.dg-ab-points li h3 { font-size: 15.5px; font-weight: 700; color: var(--dg-text); margin-bottom: 5px; }
.dg-ab-points li p { font-size: 13.5px; color: var(--dg-clean); line-height: 1.7; }

/* 核心价值：单色线性图标 + 细线分隔 */
.dg-ab-values { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--dg-line); border-left: 1px solid var(--dg-line); }
.dg-ab-value { padding: 36px 28px; border-right: 1px solid var(--dg-line); border-bottom: 1px solid var(--dg-line); background: #fff; }
.dg-ab-value-ic { width: 52px; height: 52px; border-radius: var(--dg-radius); border: 1px solid var(--dg-line); color: var(--dg-primary); display: flex; align-items: center; justify-content: center; margin-bottom: 18px; }
.dg-ab-value-ic .dg-icon { width: 24px; height: 24px; }
.dg-ab-value h3 { font-size: 17px; font-weight: 700; color: var(--dg-text); margin-bottom: 10px; }
.dg-ab-value p { font-size: 13.5px; color: var(--dg-clean); line-height: 1.75; }

/* 历程：节流式节点垂直时间线 */
.dg-ab-timeline { position: relative; max-width: 960px; margin: 0 auto; }
.dg-ab-timeline::before { content: ''; position: absolute; left: 50%; top: 8px; bottom: 8px; width: 1px; background: var(--dg-line); transform: translateX(-50%); }
.dg-ab-tl-item { position: relative; display: grid; grid-template-columns: 1fr 56px 1fr; align-items: center; margin-bottom: 28px; }
.dg-ab-tl-node { width: 18px; height: 18px; margin: 0 auto; border-radius: 50%; background: #fff; border: 3px solid var(--dg-primary); box-shadow: 0 0 0 6px var(--dg-blue-tint); position: relative; z-index: 1; }
.dg-ab-tl-year { text-align: right; padding-right: 34px; font-size: 30px; font-weight: 700; color: var(--dg-primary); font-variant-numeric: tabular-nums; }
.dg-ab-tl-card { background: #fff; border: 1px solid var(--dg-line); border-radius: var(--dg-radius); border-top: 3px solid var(--dg-primary-light); padding: 22px 24px; }
.dg-ab-tl-card h3 { font-size: 16px; font-weight: 700; color: var(--dg-text); margin-bottom: 8px; }
.dg-ab-tl-card p { font-size: 13.5px; color: var(--dg-clean); line-height: 1.7; }
.dg-ab-tl-item:nth-child(even) .dg-ab-tl-year { text-align: left; padding-right: 0; padding-left: 34px; order: 3; grid-column: 3; }
.dg-ab-tl-item:nth-child(even) .dg-ab-tl-card { order: 1; grid-column: 1; }
.dg-ab-tl-item:nth-child(even) .dg-ab-tl-node { grid-column: 2; }

/* 数据成就：大数字 + 细线竖分隔横条 */
.dg-ab-stats-wrap { background: #fff; }
.dg-ab-stats { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--dg-line); border-bottom: 1px solid var(--dg-line); }
.dg-ab-stat { text-align: center; padding: 44px 20px; border-left: 1px solid var(--dg-line); }
.dg-ab-stat:first-child { border-left: none; }
.dg-ab-stat-num { font-size: clamp(40px, 5vw, 60px); font-weight: 700; color: var(--dg-text); line-height: 1; }
.dg-ab-stat-num span { font-size: .5em; color: var(--dg-primary); margin-left: 3px; font-weight: 700; }
.dg-ab-stat-label { margin-top: 12px; font-size: 14px; color: var(--dg-clean); letter-spacing: 2px; }

/* 资质：细线网格 */
.dg-ab-creds { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.dg-ab-cred { text-align: center; }
.dg-ab-cred-img { border: 1px solid var(--dg-line); border-radius: var(--dg-radius); padding: 22px; background: #fff; }
.dg-ab-cred-img img { width: 100%; height: 150px; object-fit: contain; display: block; }
.dg-ab-cred p { margin-top: 12px; font-size: 13.5px; color: var(--dg-clean); }

/* 案例：细线网格 LOGO 墙 */
.dg-ab-case-grid { display: grid; grid-template-columns: repeat(6, 1fr); border-top: 1px solid var(--dg-line); border-left: 1px solid var(--dg-line); }
.dg-ab-case-cell { display: flex; align-items: center; justify-content: center; padding: 22px 14px; border-right: 1px solid var(--dg-line); border-bottom: 1px solid var(--dg-line); background: #fff; min-height: 80px; }
.dg-ab-case-cell img { max-width: 90%; max-height: 42px; object-fit: contain; opacity: .82; transition: opacity .2s; }
.dg-ab-case-cell:hover img { opacity: 1; }

@media (max-width: 992px) {
    .dg-sd-banner { padding: 84px 0 92px; }
    .dg-sd-plan-layout { grid-template-columns: 1fr; gap: 28px; }
    .dg-sd-plan-visual { min-height: 220px; }
    .dg-sd-plan-visual img { min-height: 220px; }
    .dg-sd-craft-flow { grid-template-columns: repeat(2, 1fr); row-gap: 34px; }
    .dg-sd-craft-node::before { display: none; }
    .dg-sd-process-line { grid-template-columns: repeat(3, 1fr); row-gap: 34px; }
    .dg-sd-process-node:nth-child(n+4)::before { display: none; }
    .dg-sd-case-grid, .dg-ab-case-grid { grid-template-columns: repeat(3, 1fr); }
    .dg-sd-reason-split { grid-template-columns: 1fr; gap: 32px; }
    .dg-ab-intro { grid-template-columns: 1fr; gap: 32px; }
    .dg-ab-values { grid-template-columns: repeat(2, 1fr); }
    .dg-ab-stats { grid-template-columns: repeat(2, 1fr); row-gap: 0; }
    .dg-ab-timeline::before { left: 22px; }
    .dg-ab-tl-item { grid-template-columns: 56px 1fr; gap: 0 16px; }
    .dg-ab-tl-node { margin: 0; }
    .dg-ab-tl-year { text-align: left; padding: 0; order: 3; grid-column: 2; margin-top: 10px; font-size: 22px; }
    .dg-ab-tl-card { order: 1; grid-column: 2; }
    .dg-ab-tl-item:nth-child(even) .dg-ab-tl-year { text-align: left; padding: 0; order: 3; }
    .dg-ab-tl-item:nth-child(even) .dg-ab-tl-card { order: 1; }
    .dg-ab-creds { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
    .dg-sd-banner { padding: 64px 0 72px; }
    .dg-sd-banner-head p { font-size: 15px; }
    .dg-sd-band-grid { grid-template-columns: repeat(2, 1fr); }
    .dg-sd-band-item:nth-child(3) { border-left: none; }
    .dg-sd-band-item:nth-child(n+3) { border-top: 1px solid var(--dg-line); }
    .dg-sd-std-list { grid-template-columns: 1fr; gap: 0; }
    .dg-sd-craft-flow { grid-template-columns: 1fr; }
    .dg-sd-process-line { grid-template-columns: 1fr; }
    .dg-sd-case-grid, .dg-ab-case-grid { grid-template-columns: repeat(2, 1fr); }
    .dg-ab-values { grid-template-columns: 1fr; }
    .dg-ab-stats { grid-template-columns: 1fr 1fr; }
    .dg-ab-tl-item { grid-template-columns: 40px 1fr; gap: 0 12px; }
    .dg-ab-tl-year { font-size: 20px; }
    .dg-ab-creds { grid-template-columns: 1fr 1fr; }
    .dg-ab-banner { padding: 84px 0 80px; }
}

/* ==========================================================================
   差异化视觉语言：内页大留白 Banner + 错位主标题（服务列表/FAQ/资讯/联系）
   ========================================================================== */
.dg-page-banner-xl { padding: 96px 0 88px; }
.dg-page-banner-xl .dg-page-h1 { padding-left: 20px; border-left: 4px solid #fff; letter-spacing: 1px; }
.dg-page-banner-xl .dg-page-h1-sub { padding-left: 20px; }
@media (max-width: 768px) {
    .dg-page-banner-xl { padding: 72px 0 66px; }
    .dg-page-banner-xl .dg-page-h1 { padding-left: 14px; }
    .dg-page-banner-xl .dg-page-h1-sub { padding-left: 14px; }
}

/* ==========================================================================
   移动端适配修复（§6）
   规范禁用项：字号 <12px、关闭按钮 <44×44px、无 env(safe-area-inset-bottom)
   ========================================================================== */
@media (max-width: 992px) {
    .dg-split { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 768px) {
    .dg-articles-grid { grid-template-columns: 1fr; gap: 18px; }
    .dg-quote-params-grid { grid-template-columns: 1fr; gap: 0; }
    /* 右侧浮动条 → 移动端置底菜单条 */
    .dg-float-bar {
        position: fixed; left: 0; right: 0; bottom: 0; z-index: 950;
        flex-direction: row; justify-content: space-around; gap: 4px;
        padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
        background: #fff; border-top: 1px solid var(--dg-line);
        box-shadow: 0 -6px 20px rgba(31, 36, 48, .08);
    }
    .dg-float-btn {
        width: auto; height: auto; flex-direction: row; gap: 6px;
        border-radius: var(--dg-radius); padding: 6px 12px;
        background: transparent; box-shadow: none; color: var(--dg-clean);
    }
    .dg-float-btn .dg-icon { width: 20px; height: 20px; }
    .dg-float-wechat, .dg-float-quote, .dg-float-phone { background: transparent; box-shadow: none; }
    body { padding-bottom: 62px; }
}