/*
Theme Name: 好思维会计 - Hurstville Accountant
Theme URI: https://sydney-accountant.com
Author: 好思维会计事务所
Author URI: https://sydney-accountant.com
Description: 专业悉尼华人会计事务所网站 - SEO优化，AI可见性友好，支持中文搜索
Version: 2.0
License: GNU General Public License v2 or later
Text Domain: haosiwei
Tags: chinese, accounting, seo-optimized, business, sydney
*/

/* ===== CSS VARIABLES ===== */
:root {
  --primary: #1a3a5c;        /* 深海军蓝 - 专业信任 */
  --primary-light: #2563a8;
  --accent: #c8922a;         /* 金色 - 华人审美精华 */
  --accent-light: #f0b429;
  --text-dark: #1a1a2e;
  --text-body: #3d3d5c;
  --text-muted: #7a7a9a;
  --bg-light: #f8f7f3;       /* 米白 - 温暖不刺眼 */
  --bg-white: #ffffff;
  --border: #e5e0d5;
  --success: #2d7d46;
  --shadow-sm: 0 2px 8px rgba(26,58,92,0.08);
  --shadow-md: 0 8px 32px rgba(26,58,92,0.12);
  --shadow-lg: 0 20px 60px rgba(26,58,92,0.16);
  --radius: 8px;
  --radius-lg: 16px;
  --font-zh: 'Noto Serif SC', 'PingFang SC', 'Microsoft YaHei', serif;
  --font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-en: 'Playfair Display', Georgia, serif;
}

/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--text-body);
  background: var(--bg-white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary-light); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent); }

h1, h2, h3, h4, h5 {
  font-family: var(--font-zh);
  color: var(--text-dark);
  line-height: 1.35;
  font-weight: 700;
}

ul { list-style: none; }

.container {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-padding { padding: 80px 0; }
.section-padding-sm { padding: 56px 0; }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
  border: 2px solid transparent;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-light);
  border-color: var(--accent-light);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(200,146,42,0.35);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

.btn-white {
  background: #fff;
  color: var(--primary);
  border-color: #fff;
}
.btn-white:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  transform: translateY(-2px);
}

/* ===== SECTION TITLES ===== */
.section-title {
  text-align: center;
  margin-bottom: 56px;
}
.section-title .label {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
  font-family: var(--font-body);
}
.section-title h2 {
  font-size: clamp(28px, 4vw, 42px);
  color: var(--text-dark);
  margin-bottom: 16px;
}
.section-title h2 em {
  font-style: normal;
  color: var(--accent);
}
.section-title p {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto;
}
.section-divider {
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  margin: 16px auto 0;
  border-radius: 2px;
}

/* ===== HEADER / NAVIGATION ===== */
#site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s;
}

.header-top {
  background: var(--primary);
  color: rgba(255,255,255,0.85);
  font-size: 13px;
  padding: 7px 0;
}
.header-top .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.header-top a { color: rgba(255,255,255,0.85); }
.header-top a:hover { color: var(--accent-light); }
.header-top-contact { display: flex; gap: 24px; flex-wrap: wrap; }
.header-top-contact span { display: flex; align-items: center; gap: 6px; }

.header-main {
  padding: 16px 0;
}
.header-main .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}
.logo-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 900;
  color: var(--accent);
  font-family: var(--font-zh);
  flex-shrink: 0;
}
.logo-text { line-height: 1.25; }
.logo-text .zh { font-size: 18px; font-weight: 700; color: var(--primary); font-family: var(--font-zh); }
.logo-text .en { font-size: 11px; color: var(--text-muted); letter-spacing: 0.5px; }

.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-body);
  border-radius: var(--radius);
  transition: all 0.2s;
  white-space: nowrap;
}
.main-nav a:hover,
.main-nav a.active {
  color: var(--primary);
  background: rgba(26,58,92,0.06);
}

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

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  border: none;
  background: none;
}
.mobile-menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ===== HERO SECTION ===== */
.hero-section {
  position: relative;
  background: linear-gradient(135deg, var(--primary) 0%, #1e4a7a 40%, #0d2d4a 100%);
  color: #fff;
  padding: 100px 0 80px;
  overflow: hidden;
}
.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
}
.hero-section::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(to bottom right, transparent 49%, var(--bg-white) 50%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(200,146,42,0.2);
  border: 1px solid rgba(200,146,42,0.4);
  color: var(--accent-light);
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 24px;
  letter-spacing: 0.5px;
}
.hero-badge .dot {
  width: 7px;
  height: 7px;
  background: var(--accent-light);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero-title {
  font-size: clamp(32px, 5vw, 54px);
  color: #fff;
  margin-bottom: 20px;
  font-family: var(--font-zh);
  line-height: 1.2;
}
.hero-title em {
  font-style: normal;
  color: var(--accent-light);
}

.hero-subtitle {
  font-size: 17px;
  color: rgba(255,255,255,0.78);
  margin-bottom: 32px;
  line-height: 1.7;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; }

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.12);
}
.hero-stat {
  padding: 20px;
  text-align: center;
  background: rgba(255,255,255,0.05);
}
.hero-stat .num {
  font-size: 28px;
  font-weight: 800;
  color: var(--accent-light);
  font-family: var(--font-zh);
  display: block;
}
.hero-stat .label { font-size: 12px; color: rgba(255,255,255,0.65); margin-top: 4px; }

.hero-visual {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.credential-card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-lg);
  padding: 24px;
  backdrop-filter: blur(8px);
}
.credential-card .card-title {
  font-size: 13px;
  color: var(--accent-light);
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 16px;
  font-family: var(--font-body);
}
.credential-list { display: flex; flex-direction: column; gap: 10px; }
.credential-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: rgba(255,255,255,0.9);
  font-size: 14px;
}
.credential-item .icon {
  width: 22px;
  height: 22px;
  background: rgba(200,146,42,0.25);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  flex-shrink: 0;
  margin-top: 1px;
  color: var(--accent-light);
}

.quick-contact-card {
  background: var(--accent);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.quick-contact-card .text { color: #fff; }
.quick-contact-card .text .title { font-size: 14px; font-weight: 700; }
.quick-contact-card .text .phone { font-size: 20px; font-weight: 800; letter-spacing: 0.5px; }

/* ===== TRUST BAR ===== */
.trust-bar {
  background: var(--bg-light);
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
}
.trust-bar .container {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 32px;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 600;
}
.trust-item .icon {
  width: 32px;
  height: 32px;
  background: var(--primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

/* ===== SERVICES SECTION ===== */
.services-section {
  background: var(--bg-white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
}

.service-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transition: transform 0.3s ease;
  transform-origin: left;
}
.service-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: rgba(26,58,92,0.15);
}
.service-card:hover::before { transform: scaleX(1); }

.service-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, rgba(26,58,92,0.08), rgba(37,99,168,0.06));
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
  transition: all 0.3s;
}
.service-card:hover .service-icon {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
}

.service-card h3 {
  font-size: 18px;
  margin-bottom: 10px;
  color: var(--text-dark);
}

.service-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}

.service-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.service-list li {
  font-size: 13px;
  color: var(--text-body);
  display: flex;
  align-items: center;
  gap: 8px;
}
.service-list li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.service-price {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--accent);
  font-weight: 700;
}

/* ===== WHY US / ABOUT ===== */
.about-section {
  background: var(--bg-light);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.about-content .lead {
  font-size: 17px;
  color: var(--text-body);
  line-height: 1.8;
  margin-bottom: 24px;
  border-left: 3px solid var(--accent);
  padding-left: 20px;
}

.about-content p {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 16px;
}

.credentials-display {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin: 32px 0;
}
.cred-badge {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
  transition: all 0.2s;
}
.cred-badge:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
}
.cred-badge .cred-icon { font-size: 24px; margin-bottom: 6px; }
.cred-badge .cred-title { font-size: 11px; font-weight: 700; color: var(--primary); letter-spacing: 0.5px; }
.cred-badge .cred-detail { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

.about-visual {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.team-profile {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}
.team-profile .profile-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}
.profile-avatar {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  font-weight: 800;
  color: var(--accent-light);
  font-family: var(--font-zh);
  flex-shrink: 0;
}
.profile-info .name { font-size: 18px; font-weight: 700; color: var(--text-dark); }
.profile-info .title { font-size: 13px; color: var(--accent); font-weight: 600; margin-top: 2px; }
.profile-info .sub { font-size: 12px; color: var(--text-muted); }
.profile-desc { font-size: 14px; color: var(--text-muted); line-height: 1.7; }

.why-points {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.why-point {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px;
  background: var(--bg-white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: all 0.2s;
}
.why-point:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-sm);
}
.why-point .wp-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}
.why-point .wp-text h4 { font-size: 14px; font-weight: 700; color: var(--text-dark); margin-bottom: 3px; }
.why-point .wp-text p { font-size: 13px; color: var(--text-muted); line-height: 1.5; }

/* ===== PRICING SECTION ===== */
.pricing-section {
  background: var(--bg-white);
}
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  max-width: 960px;
  margin: 0 auto;
}
.pricing-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  position: relative;
  transition: all 0.3s;
}
.pricing-card.featured {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(200,146,42,0.08), var(--shadow-md);
}
.pricing-card.featured .badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 100px;
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.pricing-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.pricing-name { font-size: 14px; font-weight: 700; color: var(--text-muted); letter-spacing: 1px; margin-bottom: 12px; text-transform: uppercase; }
.pricing-price { font-size: 40px; font-weight: 800; color: var(--text-dark); line-height: 1; }
.pricing-price sup { font-size: 20px; vertical-align: super; color: var(--text-muted); font-weight: 400; }
.pricing-from { font-size: 12px; color: var(--text-muted); margin: 6px 0 20px; }
.pricing-features { text-align: left; margin: 20px 0; display: flex; flex-direction: column; gap: 10px; }
.pricing-features li { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--text-body); }
.pricing-features li .check { color: var(--success); font-weight: 700; flex-shrink: 0; }

/* ===== TAX GUIDE / KNOWLEDGE ===== */
.guide-section {
  background: var(--bg-light);
}
.guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.guide-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid var(--border);
  transition: all 0.3s;
}
.guide-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: rgba(26,58,92,0.15);
}
.guide-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(200,146,42,0.1);
  padding: 3px 10px;
  border-radius: 4px;
  margin-bottom: 14px;
}
.guide-card h3 { font-size: 16px; margin-bottom: 10px; color: var(--text-dark); }
.guide-card p { font-size: 13px; color: var(--text-muted); line-height: 1.7; margin-bottom: 16px; }
.guide-link {
  font-size: 13px;
  font-weight: 700;
  color: var(--primary-light);
  display: flex;
  align-items: center;
  gap: 6px;
}
.guide-link::after { content: '→'; transition: transform 0.2s; }
.guide-card:hover .guide-link::after { transform: translateX(4px); }

/* ===== TESTIMONIALS ===== */
.testimonials-section { background: var(--primary); }
.testimonials-section .section-title .label { color: var(--accent-light); }
.testimonials-section .section-title h2 { color: #fff; }
.testimonials-section .section-title p { color: rgba(255,255,255,0.65); }
.testimonials-section .section-divider { background: var(--accent); }

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.testimonial-card {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: 28px;
  backdrop-filter: blur(8px);
  transition: all 0.3s;
}
.testimonial-card:hover {
  background: rgba(255,255,255,0.11);
  transform: translateY(-3px);
}
.stars { color: var(--accent-light); font-size: 14px; margin-bottom: 14px; letter-spacing: 2px; }
.testimonial-text {
  color: rgba(255,255,255,0.88);
  font-size: 14px;
  line-height: 1.75;
  margin-bottom: 20px;
  font-style: italic;
}
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.author-avatar {
  width: 42px;
  height: 42px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  flex-shrink: 0;
}
.author-info .name { font-size: 14px; font-weight: 700; color: #fff; }
.author-info .meta { font-size: 12px; color: rgba(255,255,255,0.55); }

/* ===== CONTACT SECTION ===== */
.contact-section { background: var(--bg-light); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  align-items: start;
}
.contact-info h3 { font-size: 24px; margin-bottom: 20px; }
.contact-details { display: flex; flex-direction: column; gap: 20px; margin-bottom: 32px; }
.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.contact-item .ci-icon {
  width: 46px;
  height: 46px;
  background: var(--primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.contact-item .ci-text .label { font-size: 12px; color: var(--text-muted); font-weight: 700; letter-spacing: 0.5px; text-transform: uppercase; }
.contact-item .ci-text .value { font-size: 15px; color: var(--text-dark); font-weight: 600; margin-top: 2px; }
.contact-item .ci-text .value a { color: var(--primary-light); }
.contact-item .ci-text .value a:hover { color: var(--accent); }

.wechat-box {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
}
.wechat-qr {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, #07c160, #09a353);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  flex-shrink: 0;
}
.wechat-info .title { font-size: 14px; font-weight: 700; color: var(--text-dark); }
.wechat-info .id { font-size: 13px; color: var(--text-muted); margin-top: 4px; }

/* Contact Form */
.contact-form-wrap {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}
.contact-form-wrap h3 { font-size: 22px; margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 18px; }
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-body);
  margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-dark);
  background: var(--bg-white);
  transition: border-color 0.2s;
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(37,99,168,0.1);
}
.form-group textarea { resize: vertical; min-height: 100px; }
.form-note { font-size: 12px; color: var(--text-muted); margin-bottom: 20px; }

/* ===== FOOTER ===== */
.site-footer {
  background: var(--text-dark);
  color: rgba(255,255,255,0.7);
}
.footer-main {
  padding: 64px 0 40px;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
}
.footer-brand .site-logo .logo-text .zh { color: #fff; }
.footer-brand .site-logo .logo-text .en { color: rgba(255,255,255,0.4); }
.footer-brand .tagline {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  margin-top: 16px;
  line-height: 1.7;
}
.footer-brand .footer-contacts { margin-top: 20px; display: flex; flex-direction: column; gap: 8px; }
.footer-brand .footer-contacts a { font-size: 13px; color: rgba(255,255,255,0.6); display: flex; align-items: center; gap: 8px; }
.footer-brand .footer-contacts a:hover { color: var(--accent-light); }

.footer-col h4 {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 16px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a { font-size: 13px; color: rgba(255,255,255,0.6); transition: color 0.2s; }
.footer-col ul li a:hover { color: var(--accent-light); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  color: rgba(255,255,255,0.4);
}
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: var(--accent-light); }

.footer-credentials {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-cred-item {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 6px;
  padding: 5px 12px;
  font-size: 11px;
  color: rgba(255,255,255,0.5);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ===== FLOAT CTA ===== */
.float-cta {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-end;
}
.float-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border-radius: 100px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
  transition: all 0.25s;
  text-decoration: none;
}
.float-btn:hover { transform: scale(1.05); box-shadow: 0 8px 32px rgba(0,0,0,0.25); }
.float-btn.phone { background: var(--accent); color: #fff; }
.float-btn.wechat { background: #07c160; color: #fff; }

/* ===== SCHEMA / Hidden SEO ===== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ===== MOBILE RESPONSIVE ===== */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .section-padding { padding: 56px 0; }
  .hero-section { padding: 64px 0 60px; }
  .header-top { display: none; }
  .main-nav { display: none; }
  .mobile-menu-toggle { display: flex; }
  .main-nav.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 16px;
    box-shadow: var(--shadow-md);
    gap: 4px;
  }
  .hero-stats { grid-template-columns: repeat(3, 1fr); }
  .form-row { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .float-cta { bottom: 16px; right: 16px; }
  .credentials-display { grid-template-columns: 1fr 1fr; }
  .contact-form-wrap { padding: 24px; }
}

@media (max-width: 480px) {
  .hero-stats { grid-template-columns: 1fr; }
  .header-cta .btn { display: none; }
  .pricing-grid { grid-template-columns: 1fr; }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-in-up {
  animation: fadeInUp 0.6s ease both;
}
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }