/* ===== GlenData Premium CSS ===== */
/* 使用系统字体，无需外部加载 */
:root {
  --primary: #00c896;
  --primary-dark: #009e78;
  --dark: #0a0f1e;
  --dark2: #111827;
  --dark3: #1f2937;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --white: #fff;
  --card-bg: rgba(255, 255, 255, 0.04);
  --card-border: rgba(255, 255, 255, 0.08);
  --transition: all .3s cubic-bezier(.4, 0, .2, 1);
  --radius: 16px;
  --shadow: 0 20px 60px rgba(0, 0, 0, .4);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { 
  font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif; 
  background: var(--dark); 
  color: var(--text); 
  line-height: 1.7; 
  overflow-x: hidden; 
}
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
img { max-width: 100%; height: auto; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== HEADER ===== */
.gd-header { position: fixed; top: 0; left: 0; width: 100%; z-index: 9999; padding: 0; transition: var(--transition); }
.gd-header.scrolled { background: rgba(10, 15, 30, .95); backdrop-filter: blur(20px); border-bottom: 1px solid var(--card-border); box-shadow: 0 8px 32px rgba(0, 0, 0, .3); }
.gd-header .container { display: flex; align-items: center; justify-content: space-between; height: 80px; }

/* ===== LOGO 艺术字 ===== */
.gd-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; position: relative; }
.gd-logo-text {
  font-size: 26px;
  font-weight: 900;
  letter-spacing: 3px;
  background: linear-gradient(135deg, #00c896 0%, #00e5c0 40%, #7fffdf 70%, #00c896 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: logoShine 4s linear infinite;
  position: relative;
  filter: drop-shadow(0 0 12px rgba(0, 200, 150, .5));
}
.gd-logo-sub {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 4px;
  color: rgba(0, 200, 150, .6);
  display: block;
  text-transform: uppercase;
  margin-top: -4px;
  -webkit-text-fill-color: rgba(0, 200, 150, .6);
}
.gd-logo-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 8px rgba(0, 200, 150, .8), 0 0 16px rgba(0, 200, 150, .4);
  animation: pulse 2s infinite;
}
@keyframes logoShine {
  0% { background-position: 0% center; }
  100% { background-position: 200% center; }
}
.gd-logo img { height: 36px; }

/* ===== NAVIGATION ===== */
.gd-nav ul { display: flex; align-items: center; gap: 8px; }
.gd-nav ul li { position: relative; }
.gd-nav ul li > a { display: block; padding: 8px 16px; border-radius: 8px; font-size: 15px; font-weight: 500; color: rgba(255, 255, 255, .8); transition: var(--transition); }
.gd-nav ul li > a:hover, .gd-nav ul li.active > a { color: var(--primary); background: rgba(0, 200, 150, .08); }
.gd-nav ul li .dropdown { position: absolute; top: calc(100% + 8px); left: 0; min-width: 160px; background: var(--dark2); border: 1px solid var(--card-border); border-radius: 12px; padding: 8px; opacity: 0; visibility: hidden; transform: translateY(-8px); transition: var(--transition); box-shadow: var(--shadow); }
.gd-nav ul li:hover .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.gd-nav ul li .dropdown li a { display: block; padding: 8px 12px; border-radius: 8px; font-size: 14px; color: var(--text-muted); }
.gd-nav ul li .dropdown li a:hover { color: var(--primary); background: rgba(0, 200, 150, .08); }

.gd-header-btn { display: flex; align-items: center; gap: 12px; }
.gd-btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 24px; border-radius: 50px; font-size: 14px; font-weight: 600; cursor: pointer; transition: var(--transition); border: none; }
.gd-btn-primary { background: var(--primary); color: var(--dark); }
.gd-btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0, 200, 150, .4); }
.gd-btn-outline { border: 1px solid var(--card-border); color: var(--text); background: transparent; }
.gd-btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.gd-mobile-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; }
.gd-mobile-toggle span { width: 24px; height: 2px; background: var(--white); border-radius: 2px; transition: var(--transition); }

/* ===== HERO ===== */
.gd-hero { min-height: 100vh; display: flex; align-items: center; position: relative; overflow: hidden; background: var(--dark); padding: 120px 0 80px; }
.gd-hero-bg { position: absolute; inset: 0; background: url('../images/hero_bg.png') center/cover no-repeat; opacity: .4; }
.gd-hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(10, 15, 30, .9) 0%, rgba(0, 200, 150, .05) 100%); }
.gd-hero-grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(0, 200, 150, .05) 1px, transparent 1px), linear-gradient(90deg, rgba(0, 200, 150, .05) 1px, transparent 1px); background-size: 60px 60px; }
.gd-hero-content { position: relative; z-index: 2; max-width: 720px; padding-bottom: 24px; }
.gd-hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(0, 200, 150, .1); border: 1px solid rgba(0, 200, 150, .3); color: var(--primary); padding: 6px 16px; border-radius: 50px; font-size: 13px; font-weight: 600; margin-bottom: 32px; }
.gd-hero-badge::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--primary); animation: pulse 2s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: .5; transform: scale(1.3); } }
.gd-hero h1 { font-size: clamp(42px, 5.5vw, 80px); font-weight: 800; line-height: 1.12; color: var(--white); margin-bottom: 24px; letter-spacing: -1px; }
.gd-hero h1 em { color: var(--primary); font-style: normal; }
.gd-hero p { font-size: 17px; color: var(--text-muted); max-width: 560px; margin-bottom: 40px; line-height: 1.8; }
.gd-hero-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.gd-hero-stats { position: relative; z-index: 2; margin-top: 64px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; max-width: 680px; }
.gd-hero-stat { background: var(--card-bg); border: 1px solid var(--card-border); border-radius: var(--radius); padding: 24px 28px; backdrop-filter: blur(10px); }
.gd-hero-stat-num { font-size: 40px; font-weight: 800; color: var(--white); line-height: 1; display: flex; align-items: baseline; gap: 2px; white-space: nowrap; }
.gd-hero-stat-num i { font-style: normal; font-size: 22px; color: var(--primary); font-weight: 700; }
.gd-hero-stat-num b { font-size: 22px; color: var(--primary); font-weight: 700; }
.gd-hero-stat-label { font-size: 13px; color: var(--text-muted); margin-top: 8px; }

/* ===== SECTION COMMON ===== */
.gd-section { padding: 100px 0; }
.gd-section-dark { background: var(--dark2); }
.gd-section-header { text-align: center; margin-bottom: 64px; }
.gd-tag { display: inline-block; background: rgba(0, 200, 150, .1); border: 1px solid rgba(0, 200, 150, .2); color: var(--primary); padding: 4px 14px; border-radius: 50px; font-size: 12px; font-weight: 600; letter-spacing: .5px; text-transform: uppercase; margin-bottom: 16px; }
.gd-section-header h2 { font-size: clamp(28px, 4vw, 48px); font-weight: 800; color: var(--white); line-height: 1.2; margin-bottom: 16px; }
.gd-section-header p { font-size: 17px; color: var(--text-muted); max-width: 560px; margin: 0 auto; }

/* ===== SERVICES ===== */
.gd-services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.gd-service-card { background: var(--card-bg); border: 1px solid var(--card-border); border-radius: var(--radius); padding: 40px 32px; transition: var(--transition); position: relative; overflow: hidden; display: block; text-decoration: none; cursor: pointer; color: inherit; }
.gd-service-card::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(0, 200, 150, .06), transparent); opacity: 0; transition: var(--transition); }
.gd-service-card:hover { transform: translateY(-8px); border-color: rgba(0, 200, 150, .3); box-shadow: 0 24px 48px rgba(0, 0, 0, .3); }
.gd-service-card:hover::before { opacity: 1; }
.gd-service-icon { width: 64px; height: 64px; background: rgba(0, 200, 150, .1); border-radius: 16px; display: flex; align-items: center; justify-content: center; margin-bottom: 24px; font-size: 28px; transition: var(--transition); }
.gd-service-card:hover .gd-service-icon { background: var(--primary); transform: scale(1.1); }
.gd-service-card h3 { font-size: 20px; font-weight: 700; color: var(--white); margin-bottom: 12px; }
.gd-service-card p { font-size: 15px; color: var(--text-muted); line-height: 1.8; }
.gd-service-card .gd-service-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 24px; font-size: 14px; font-weight: 600; color: var(--primary); opacity: 0; transform: translateY(8px); transition: var(--transition); }
.gd-service-card:hover .gd-service-link { opacity: 1; transform: translateY(0); }

/* ===== ABOUT ===== */
.gd-about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.gd-about-img { position: relative; border-radius: 24px; overflow: hidden; }
.gd-about-img img { width: 100%; height: 500px; object-fit: cover; display: block; }
.gd-about-img-placeholder { width: 100%; height: 500px; background: linear-gradient(135deg, var(--dark3) 0%, rgba(0, 200, 150, .08) 50%, var(--dark3) 100%); border-radius: 24px; display: flex; flex-direction: column; align-items: center; justify-content: center; border: 1px solid var(--card-border); }
.gd-about-img-placeholder .ph-icon { font-size: 64px; margin-bottom: 20px; opacity: .3; }
.gd-about-img-placeholder .ph-text { font-size: 15px; color: var(--text-muted); opacity: .5; }
.gd-about-img::after { content: ''; position: absolute; inset: 0; border-radius: 24px; border: 1px solid var(--card-border); }
.gd-about-img-badge { position: absolute; bottom: 32px; left: 32px; background: var(--dark2); border: 1px solid var(--card-border); border-radius: 16px; padding: 20px 24px; backdrop-filter: blur(20px); }
.gd-about-img-badge .num { font-size: 36px; font-weight: 800; color: var(--primary); }
.gd-about-img-badge .label { font-size: 13px; color: var(--text-muted); }
.gd-about-content h2 { font-size: clamp(28px, 3vw, 42px); font-weight: 800; color: var(--white); line-height: 1.25; margin-bottom: 20px; }
.gd-about-content p { font-size: 16px; color: var(--text-muted); line-height: 1.9; margin-bottom: 16px; }
.gd-features-list { margin: 32px 0; display: flex; flex-direction: column; gap: 16px; }
.gd-feature-item { display: flex; align-items: flex-start; gap: 16px; padding: 16px 20px; background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 12px; transition: var(--transition); }
.gd-feature-item:hover { border-color: rgba(0, 200, 150, .3); }
.gd-feature-item .icon { width: 36px; height: 36px; background: rgba(0, 200, 150, .15); border-radius: 8px; display: flex; align-items: center; justify-content: center; color: var(--primary); flex-shrink: 0; font-size: 16px; }
.gd-feature-item .text h4 { font-size: 15px; font-weight: 600; color: var(--white); }
.gd-feature-item .text p { font-size: 13px; color: var(--text-muted); margin-top: 2px; }

/* ===== PROCESS ===== */
.gd-process-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; position: relative; }
.gd-process-grid::before { content: ''; position: absolute; top: 40px; left: 10%; right: 10%; height: 1px; background: linear-gradient(90deg, transparent, var(--primary), transparent); z-index: 0; }
.gd-process-item { text-align: center; position: relative; z-index: 1; padding: 0 8px; }
.gd-process-num { width: 80px; height: 80px; border-radius: 50%; background: var(--dark2); border: 2px solid var(--card-border); display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; font-size: 24px; font-weight: 800; color: var(--primary); transition: var(--transition); position: relative; }
.gd-process-item:hover .gd-process-num { border-color: var(--primary); background: rgba(0, 200, 150, .1); transform: scale(1.1); }
.gd-process-item h4 { font-size: 15px; font-weight: 600; color: var(--white); margin-bottom: 8px; }
.gd-process-item p { font-size: 13px; color: var(--text-muted); }

/* ===== NEWS ===== */
.gd-news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.gd-news-card { background: var(--card-bg); border: 1px solid var(--card-border); border-radius: var(--radius); overflow: hidden; transition: var(--transition); display: flex; flex-direction: column; }
.gd-news-card:hover { transform: translateY(-6px); border-color: rgba(0, 200, 150, .25); box-shadow: 0 20px 40px rgba(0, 0, 0, .3); }
.gd-news-img { height: 200px; background-size: cover; background-position: center; background-color: var(--dark3); position: relative; overflow: hidden; }
.gd-news-img img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.gd-news-card:hover .gd-news-img img { transform: scale(1.05); }
.gd-news-meta { position: absolute; top: 16px; left: 16px; }
.gd-news-cat { background: var(--primary); color: var(--dark); font-size: 11px; font-weight: 700; padding: 4px 10px; border-radius: 50px; }
.gd-news-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.gd-news-date { font-size: 12px; color: var(--text-muted); margin-bottom: 12px; display: flex; align-items: center; gap: 6px; }
.gd-news-body h3 { font-size: 17px; font-weight: 700; color: var(--white); line-height: 1.5; margin-bottom: 12px; flex: 1; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.gd-news-body p { font-size: 14px; color: var(--text-muted); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.gd-news-footer { display: flex; align-items: center; justify-content: space-between; margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--card-border); }
.gd-news-read { font-size: 13px; font-weight: 600; color: var(--primary); display: flex; align-items: center; gap: 4px; }

/* ===== CTA ===== */
.gd-cta { padding: 100px 0; position: relative; overflow: hidden; }
.gd-cta::before { content: ''; position: absolute; top: -50%; left: -10%; width: 500px; height: 500px; background: radial-gradient(circle, rgba(0, 200, 150, .15), transparent 70%); border-radius: 50%; }
.gd-cta::after { content: ''; position: absolute; bottom: -50%; right: -10%; width: 400px; height: 400px; background: radial-gradient(circle, rgba(0, 200, 150, .1), transparent 70%); border-radius: 50%; }
.gd-cta-inner { position: relative; z-index: 1; text-align: center; background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 32px; padding: 80px 60px; backdrop-filter: blur(20px); }
.gd-cta-inner h2 { font-size: clamp(28px, 4vw, 52px); font-weight: 800; color: var(--white); margin-bottom: 16px; }
.gd-cta-inner p { font-size: 18px; color: var(--text-muted); margin-bottom: 40px; }
.gd-cta-actions { display: flex; align-items: center; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ===== FOOTER ===== */
.gd-footer { background: var(--dark2); border-top: 1px solid var(--card-border); padding: 72px 0 0; }
.gd-footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.gd-footer-brand .logo { font-size: 22px; font-weight: 800; color: var(--white); margin-bottom: 16px; }
.gd-footer-brand .logo span { color: var(--primary); }
.gd-footer-brand p { font-size: 14px; color: var(--text-muted); line-height: 1.8; margin-bottom: 24px; }
.gd-footer-socials { display: flex; gap: 12px; }
.gd-footer-social { width: 36px; height: 36px; border-radius: 8px; background: var(--card-bg); border: 1px solid var(--card-border); display: flex; align-items: center; justify-content: center; font-size: 15px; color: var(--text-muted); transition: var(--transition); }
.gd-footer-social:hover { border-color: var(--primary); color: var(--primary); }
.gd-footer-col h4 { font-size: 14px; font-weight: 700; color: var(--white); margin-bottom: 20px; letter-spacing: .5px; text-transform: uppercase; }
.gd-footer-col ul li { margin-bottom: 12px; }
.gd-footer-col ul li a { font-size: 14px; color: var(--text-muted); transition: var(--transition); }
.gd-footer-col ul li a:hover { color: var(--primary); }
.gd-footer-contact-item { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 16px; }
.gd-footer-contact-item .ic { width: 32px; height: 32px; background: rgba(0, 200, 150, .1); border-radius: 8px; display: flex; align-items: center; justify-content: center; color: var(--primary); font-size: 14px; flex-shrink: 0; margin-top: 1px; }
.gd-footer-contact-item .info { font-size: 13px; color: var(--text-muted); line-height: 1.6; }
.gd-footer-bottom { border-top: 1px solid var(--card-border); padding: 24px 0; display: flex; align-items: center; justify-content: space-between; }
.gd-footer-bottom p { font-size: 13px; color: var(--text-muted); }
.gd-footer-bottom a { color: var(--text-muted); transition: var(--transition); }
.gd-footer-bottom a:hover { color: var(--primary); }

/* ===== INNER PAGE BANNER ===== */
.gd-page-banner { padding: 140px 0 80px; background: var(--dark2); position: relative; overflow: hidden; border-bottom: 1px solid var(--card-border); }
.gd-page-banner::before { content: ''; position: absolute; top: -100px; right: -100px; width: 600px; height: 600px; background: radial-gradient(circle, rgba(0, 200, 150, .08), transparent 70%); }
.gd-page-banner .container { position: relative; z-index: 1; }
.gd-page-banner h1 { font-size: clamp(32px, 4vw, 56px); font-weight: 800; color: var(--white); margin-bottom: 12px; }
.gd-page-banner p { font-size: 16px; color: var(--text-muted); }
.gd-breadcrumb { display: flex; align-items: center; gap: 8px; margin-bottom: 16px; }
.gd-breadcrumb a, .gd-breadcrumb span { font-size: 13px; color: var(--text-muted); }
.gd-breadcrumb a:hover { color: var(--primary); }
.gd-breadcrumb .sep { color: var(--card-border); }

/* ===== ARTICLE LIST ===== */
.gd-arclist { padding: 80px 0; }
.gd-arclist-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.gd-arc-card { background: var(--card-bg); border: 1px solid var(--card-border); border-radius: var(--radius); overflow: hidden; transition: var(--transition); }
.gd-arc-card:hover { transform: translateY(-6px); border-color: rgba(0, 200, 150, .25); box-shadow: 0 20px 40px rgba(0, 0, 0, .3); }
.gd-arc-thumb { height: 200px; background: var(--dark3) center/cover no-repeat; overflow: hidden; }
.gd-arc-thumb img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.gd-arc-card:hover .gd-arc-thumb img { transform: scale(1.06); }
.gd-arc-body { padding: 24px; }
.gd-arc-body .date { font-size: 12px; color: var(--text-muted); margin-bottom: 10px; }
.gd-arc-body h3 { font-size: 17px; font-weight: 700; color: var(--white); margin-bottom: 10px; line-height: 1.5; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.gd-arc-body p { font-size: 14px; color: var(--text-muted); line-height: 1.7; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.gd-arc-footer { padding: 16px 24px; border-top: 1px solid var(--card-border); display: flex; justify-content: space-between; align-items: center; }
.gd-arc-footer .more { font-size: 13px; color: var(--primary); font-weight: 600; }

/* ===== ARTICLE VIEW ===== */
.gd-article-wrap { padding: 60px 0 80px; background: var(--dark); }
.gd-article-main { max-width: 860px; margin: 0 auto; }
.gd-article-meta { display: flex; align-items: center; gap: 24px; padding: 16px 0; border-bottom: 1px solid var(--card-border); margin-bottom: 40px; flex-wrap: wrap; }
.gd-article-meta span { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-muted); }
.gd-article-meta .iconfont { color: var(--primary); font-size: 14px; }
.gd-article-body { font-size: 16px; line-height: 2; color: var(--text); word-break: break-word; }
.gd-article-body h1, .gd-article-body h2, .gd-article-body h3 { color: var(--white); margin: 32px 0 16px; font-weight: 700; }
.gd-article-body p { margin-bottom: 20px; }
.gd-article-body img { max-width: 100%; border-radius: 12px; margin: 16px 0; }
.gd-article-body a { color: var(--primary); text-decoration: underline; }

/* ===== PREV / NEXT ===== */
.gd-prenext { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 48px; padding-top: 40px; border-top: 1px solid var(--card-border); }
.gd-prenext-item { background: var(--card-bg); border: 1px solid var(--card-border); border-radius: var(--radius); padding: 20px 24px; transition: var(--transition); min-height: 80px; display: flex; flex-direction: column; justify-content: center; }
.gd-prenext-item:hover { border-color: var(--primary); background: rgba(0, 200, 150, .04); transform: translateY(-2px); }
.gd-prenext-item .dir { font-size: 12px; color: var(--primary); font-weight: 700; letter-spacing: 1px; display: flex; align-items: center; gap: 4px; margin-bottom: 8px; text-transform: uppercase; }
.gd-prenext-item .dir .iconfont { font-size: 11px; }
.gd-prenext-item .title { font-size: 14px; color: var(--text); font-weight: 600; line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; text-decoration: none; transition: color .2s; }
.gd-prenext-item .title:hover { color: var(--primary); }
.gd-prenext-item:last-child { text-align: right; }
.gd-prenext-item:last-child .dir { justify-content: flex-end; }
.gd-prenext-item:empty, .gd-prenext-item:not(:has(.title)) { opacity: .35; pointer-events: none; }

/* ===== PAGINATION ===== */
.gd-pagination { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 60px; }
.gd-pagination a, .gd-pagination span { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border-radius: 8px; font-size: 14px; border: 1px solid var(--card-border); color: var(--text-muted); transition: var(--transition); }
.gd-pagination a:hover, .gd-pagination .active { border-color: var(--primary); color: var(--primary); background: rgba(0, 200, 150, .08); }

/* ===== SCROLL REVEAL ===== */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ===== RESPONSIVE ===== */
@media(max-width: 1024px) {
  .gd-services-grid { grid-template-columns: repeat(2, 1fr); }
  .gd-about-grid { grid-template-columns: 1fr; gap: 40px; }
  .gd-about-img { max-width: 600px; }
  .gd-process-grid { grid-template-columns: repeat(3, 1fr); gap: 32px; }
  .gd-process-grid::before { display: none; }
  .gd-footer-grid { grid-template-columns: 1fr 1fr; }
  .gd-arclist-grid { grid-template-columns: repeat(2, 1fr); }
}
@media(max-width: 768px) {
  .gd-nav { display: none; }
  .gd-header-btn { gap: 8px; }
  .gd-header-btn .gd-btn { padding: 6px 10px; font-size: 12px; white-space: nowrap; }
  .gd-header-btn .gd-btn-supplier { margin-right: 0 !important; }
  .gd-header-btn .gd-btn-supplier i { font-size: 12px !important; }
  .gd-logo-text { font-size: 20px; }
  .gd-logo-sub { font-size: 8px; letter-spacing: 2px; }
  .gd-mobile-toggle { display: flex; align-items: center; }
  
  /* 移动端菜单全新样式 */
  .gd-nav.open { display: block; position: fixed; inset: 80px 0 0 0; background: rgba(10, 15, 30, .98); padding: 32px 24px; backdrop-filter: blur(20px); border-top: 1px solid rgba(255, 255, 255, .05); height: calc(100vh - 80px); overflow-y: auto; z-index: 9999; }
  .gd-nav.open ul { display: flex; flex-direction: column; gap: 12px; width: 100%; }
  .gd-nav.open ul li { width: 100%; }
  .gd-nav.open ul li > a { display: flex; align-items: center; padding: 16px 24px; border-radius: 12px; font-size: 16px; font-weight: 600; color: rgba(255, 255, 255, .8); background: rgba(255, 255, 255, .03); transition: var(--transition); border-left: 3px solid transparent; }
  .gd-nav.open ul li.active > a, .gd-nav.open ul li > a:hover { background: linear-gradient(90deg, rgba(0, 200, 150, .1) 0%, transparent 100%); color: var(--primary); border-left-color: var(--primary); }
  
  /* 移动端下拉子菜单适配 */
  .gd-nav.open ul li .dropdown { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; background: transparent; border: none; padding: 8px 0 0 16px; display: none; }
  .gd-nav.open ul li:hover .dropdown { display: block; }
  .gd-nav.open ul li .dropdown li a { padding: 12px 16px; font-size: 14px; background: transparent; border: none; color: var(--text-muted); }
  .gd-nav.open ul li .dropdown li a:hover { color: var(--primary); }
  
  .gd-hero h1 { font-size: 36px; }
  .gd-hero-stats { grid-template-columns: 1fr 1fr; }
  .gd-services-grid { grid-template-columns: 1fr; }
  .gd-news-grid, .gd-arclist-grid { grid-template-columns: 1fr; }
  .gd-process-grid { grid-template-columns: 1fr 1fr; }
  .gd-footer-grid { grid-template-columns: 1fr; }
  .gd-cta-inner { padding: 48px 24px; }
  .gd-prenext { grid-template-columns: 1fr; }
  .gd-section { padding: 64px 0; }
  /* ===== 移动端表单全面修复 ===== */
  .gd-contact-grid { grid-template-columns: 1fr !important; gap: 24px !important; }
  /* 手机端隐藏左侧信息栏，表单全宽 */
  .gd-contact-info { display: none !important; }
  .gd-form-row { grid-template-columns: 1fr !important; gap: 0 !important; }
  .gd-form-box { padding: 20px 16px !important; border-radius: 16px !important; }
  .gd-form-header { margin-bottom: 20px !important; padding-bottom: 16px !important; }
  .gd-form-header h3 { font-size: 18px !important; }
  .gd-form-group { margin-bottom: 14px !important; }
  .gd-input, .gd-textarea, .gd-select { font-size: 16px !important; padding: 11px 14px !important; }
  .gd-checkbox-group { gap: 8px !important; }
  .gd-checkbox-item { padding: 7px 10px !important; font-size: 12px !important; }
  .gd-contact-wrap { padding: 32px 0 60px !important; }
  .gd-brand-statement { flex-direction: column; gap: 24px; text-align: center; padding: 40px 0; }
  .gd-brand-divider { width: 80px; height: 1px; }
  .gd-brand-en { padding-left: 0; }
  .gd-prenext-item:last-child { text-align: left; }
  .gd-prenext-item:last-child .dir { justify-content: flex-start; }
}
@media(max-width: 480px) {
  .gd-hero-stats { grid-template-columns: 1fr; }
  .gd-process-grid { grid-template-columns: 1fr; }
  .gd-page-banner { padding: 100px 0 40px !important; }
  .gd-page-banner h1 { font-size: 26px !important; }
  .container { padding: 0 14px !important; }
  .gd-form-box { padding: 16px 12px !important; }
}

/* ===== SINGLE PAGE (关于我们) ===== */
.gd-single-wrap { padding: 60px 0 100px; }
.gd-single-body { max-width: 960px; margin: 0 auto; }
.gd-single-content { font-size: 16px; color: var(--text-muted); line-height: 1.9; }
.gd-single-content h1, .gd-single-content h2, .gd-single-content h3 { color: var(--white); font-weight: 700; margin: 32px 0 16px; }
.gd-single-content h2 { font-size: 26px; }
.gd-single-content h3 { font-size: 20px; }
.gd-single-content p { margin-bottom: 20px; }
.gd-single-content img { width: 100%; border-radius: 12px; margin: 16px 0; }
.gd-single-content a { color: var(--primary); }
.gd-single-content ul li { position: relative; padding-left: 20px; margin-bottom: 8px; }
.gd-single-content ul li::before { content: ''; position: absolute; left: 0; top: 10px; width: 6px; height: 6px; border-radius: 50%; background: var(--primary); }
.gd-single-content blockquote { border-left: 3px solid var(--primary); padding: 16px 24px; background: var(--card-bg); border-radius: 0 12px 12px 0; margin: 24px 0; }
.gd-single-content table { width: 100%; border-collapse: collapse; margin: 20px 0; }
.gd-single-content table th { background: rgba(0, 200, 150, .1); color: var(--primary); padding: 12px 16px; text-align: left; font-weight: 600; }
.gd-single-content table td { padding: 12px 16px; border-bottom: 1px solid var(--card-border); color: var(--text-muted); }

/* ===== GUESTBOOK FORM (联系我们) ===== */
.gd-contact-wrap { padding: 60px 0 100px; }
.gd-contact-grid { display: grid; grid-template-columns: 1fr 1.6fr; gap: 60px; align-items: start; }
.gd-contact-info h2 { font-size: 32px; font-weight: 800; color: var(--white); margin-bottom: 16px; }
.gd-contact-info p { font-size: 15px; color: var(--text-muted); line-height: 1.8; margin-bottom: 32px; }
.gd-contact-card { background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 16px; padding: 24px; display: flex; align-items: flex-start; gap: 16px; margin-bottom: 16px; transition: var(--transition); }
.gd-contact-card:hover { border-color: rgba(0, 200, 150, .3); }
.gd-contact-card .ic { width: 44px; height: 44px; background: rgba(0, 200, 150, .1); border-radius: 12px; display: flex; align-items: center; justify-content: center; color: var(--primary); font-size: 18px; flex-shrink: 0; }
.gd-contact-card .info-label { font-size: 12px; color: var(--text-muted); margin-bottom: 4px; }
.gd-contact-card .info-val { font-size: 15px; font-weight: 600; color: var(--white); }
.gd-form-box { background: var(--card-bg); border: 1px solid var(--card-border); border-radius: 24px; padding: 40px; }
.gd-form-box h3 { font-size: 22px; font-weight: 700; color: var(--white); margin-bottom: 28px; }
.gd-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.gd-form-group { margin-bottom: 20px; }
.gd-form-group label { display: block; font-size: 13px; font-weight: 600; color: var(--text-muted); margin-bottom: 8px; letter-spacing: .3px; }
.gd-form-group label em { color: var(--primary); margin-left: 2px; }
.gd-input, .gd-textarea, .gd-select { width: 100%; background: rgba(255, 255, 255, .04); border: 1px solid var(--card-border); border-radius: 10px; padding: 12px 16px; font-size: 14px; color: var(--white); transition: var(--transition); outline: none; font-family: inherit; }
.gd-input::placeholder, .gd-textarea::placeholder { color: rgba(148, 163, 184, .5); }
.gd-input:focus, .gd-textarea:focus, .gd-select:focus { border-color: var(--primary); background: rgba(0, 200, 150, .04); box-shadow: 0 0 0 3px rgba(0, 200, 150, .1); }
.gd-textarea { resize: vertical; min-height: 120px; line-height: 1.6; }
.gd-select { appearance: none; -webkit-appearance: none; cursor: pointer; }
.gd-select option { background: var(--dark2); color: var(--text); }
.gd-form-submit { width: 100%; padding: 14px 24px; background: var(--primary); color: var(--dark); border: none; border-radius: 50px; font-size: 15px; font-weight: 700; cursor: pointer; transition: var(--transition); margin-top: 8px; }
.gd-form-submit:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0, 200, 150, .4); }
.gd-form-tip { font-size: 12px; color: var(--text-muted); text-align: center; margin-top: 12px; }

/* ===== BRAND STATEMENT SECTION ===== */
.gd-brand-section { padding: 0; background: var(--dark); border-top: 1px solid var(--card-border); border-bottom: 1px solid var(--card-border); }
.gd-brand-statement { display: flex; align-items: center; gap: 48px; padding: 48px 0; }
.gd-brand-statement-left { flex-shrink: 0; }
.gd-brand-name { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.gd-brand-en { font-size: 11px; font-weight: 700; letter-spacing: 3px; color: rgba(0, 200, 150, .4); padding-left: 22px; }
.gd-brand-divider { width: 1px; height: 80px; background: linear-gradient(to bottom, transparent, var(--primary), transparent); flex-shrink: 0; }
.gd-brand-statement-right p { font-size: 22px; font-weight: 800; color: var(--white); margin-bottom: 10px; letter-spacing: 1px; }
.gd-brand-statement-right span { font-size: 14px; color: var(--text-muted); line-height: 1.8; max-width: 480px; display: block; }

/* ===== CONTACT FORM BRAND CARD ===== */
.gd-brand-card { background: linear-gradient(135deg, rgba(0, 200, 150, .08), rgba(0, 200, 150, .02)); border: 1px solid rgba(0, 200, 150, .2); border-radius: 20px; padding: 28px; margin-bottom: 20px; }
.gd-brand-card-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.gd-brand-card-desc { font-size: 14px; color: var(--text-muted); line-height: 1.8; margin-bottom: 16px; }
.gd-brand-card-desc strong { color: var(--primary); font-weight: 700; }
.gd-brand-card-tags { display: flex; flex-wrap: wrap; }

/* ===== FORM HEADER ===== */
.gd-form-header { margin-bottom: 28px; padding-bottom: 24px; border-bottom: 1px solid var(--card-border); }
.gd-form-header-logo { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; }
.gd-form-header h3 { font-size: 22px; font-weight: 800; color: var(--white); margin-bottom: 6px; }
.gd-form-header p { font-size: 13px; color: var(--text-muted); }

/* ===== CHECKBOX GROUP (供应商多选) ===== */
.gd-checkbox-group { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 4px; }
.gd-checkbox-item { display: flex; align-items: center; gap: 8px; padding: 8px 14px; background: rgba(255,255,255,.04); border: 1px solid var(--card-border); border-radius: 8px; cursor: pointer; transition: var(--transition); font-size: 13px; color: var(--text-muted); user-select: none; }
.gd-checkbox-item:hover { border-color: var(--primary); color: var(--primary); background: rgba(0,200,150,.06); }
.gd-checkbox-item input[type="checkbox"] { width: 15px; height: 15px; accent-color: var(--primary); cursor: pointer; flex-shrink: 0; }
.gd-checkbox-item:has(input:checked) { border-color: var(--primary); color: var(--primary); background: rgba(0,200,150,.1); }

/* ===== SUPPLIER SUBMIT BUTTON ===== */
.gd-supplier-submit { width: 100%; padding: 16px 32px; background: linear-gradient(135deg, #00c896 0%, #00e5c0 60%, #00c896 100%); background-size: 200% auto; color: #0a0f1e; border: none; border-radius: 50px; font-size: 16px; font-weight: 800; cursor: pointer; transition: all .4s ease; margin-top: 8px; display: flex; align-items: center; justify-content: center; gap: 10px; letter-spacing: .5px; box-shadow: 0 4px 20px rgba(0,200,150,.25); }
.gd-supplier-submit:hover { background-position: right center; transform: translateY(-3px); box-shadow: 0 12px 36px rgba(0,200,150,.5); }
.gd-supplier-submit:active { transform: translateY(0); box-shadow: 0 4px 12px rgba(0,200,150,.3); }

/* ===== HEADER 供应商入驻按钮特别样式 ===== */
.gd-btn-supplier { background: linear-gradient(135deg, rgba(0,200,150,.15), rgba(0,200,150,.08)); border: 1.5px solid rgba(0,200,150,.6) !important; color: var(--primary) !important; font-weight: 700; position: relative; overflow: hidden; }
.gd-btn-supplier::before { content: ''; position: absolute; top: 50%; left: 50%; width: 0; height: 0; background: rgba(0,200,150,.15); border-radius: 50%; transform: translate(-50%,-50%); transition: width .4s ease, height .4s ease; }
.gd-btn-supplier:hover::before { width: 200px; height: 200px; }
.gd-btn-supplier:hover { border-color: var(--primary) !important; color: var(--primary) !important; box-shadow: 0 0 16px rgba(0,200,150,.35); transform: translateY(-2px); }