/* ==========================================================================
   微明咨询 WeiMing Consulting — 设计系统
   现代专业咨询公司视觉风格：深海军蓝 + 雅金 + 大留白
   ========================================================================== */

/* ---------- 设计变量 ---------- */
:root {
  /* 品牌色 */
  --navy: #0A2540;
  --navy-2: #0F2E4F;
  --navy-3: #1B3A5C;
  --navy-soft: #EAF0F7;
  --gold: #C5A572;
  --gold-2: #B08D4F;
  --gold-soft: #F4ECDB;

  /* 中性色 */
  --ink: #0F172A;
  --ink-2: #1E293B;
  --slate: #475569;
  --slate-2: #64748B;
  --mist: #F8FAFC;
  --mist-2: #F1F5F9;
  --line: #E2E8F0;
  --line-2: #CBD5E1;
  --white: #FFFFFF;

  /* 功能色 */
  --green: #15803D;
  --red: #B91C1C;

  /* 字体 */
  --font-sans: "Plus Jakarta Sans", "Noto Sans SC", -apple-system, BlinkMacSystemFont,
    "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-display: "Plus Jakarta Sans", "Noto Sans SC", -apple-system, sans-serif;

  /* 间距尺度 */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* 圆角 */
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 999px;

  /* 阴影 */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06), 0 1px 3px rgba(15, 23, 42, 0.04);
  --shadow: 0 4px 12px rgba(15, 23, 42, 0.06), 0 2px 4px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 12px 32px rgba(15, 23, 42, 0.08), 0 4px 8px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 24px 60px rgba(15, 23, 42, 0.12), 0 8px 16px rgba(15, 23, 42, 0.06);
  --shadow-gold: 0 12px 32px rgba(176, 141, 79, 0.18);

  /* 过渡 */
  --t-fast: 0.15s ease;
  --t: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --t-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

  /* 容器 */
  --container: 1200px;
  --container-narrow: 880px;
}

/* ---------- 基础重置 ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 90px;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink-2);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }
input, textarea, select { font-family: inherit; font-size: inherit; }

::selection { background: var(--gold); color: var(--white); }

/* ---------- 排版 ---------- */
h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  color: var(--navy);
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
h2 { font-size: clamp(1.9rem, 3.5vw, 2.75rem); }
h3 { font-size: clamp(1.3rem, 2vw, 1.6rem); }
h4 { font-size: 1.15rem; }

p { color: var(--slate); }
.lead { font-size: 1.15rem; line-height: 1.7; color: var(--slate); }

.text-gold { color: var(--gold); }
.text-white { color: var(--white); }
.text-navy { color: var(--navy); }

/* ---------- 容器与栅格 ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 24px;
}
.container.narrow { max-width: var(--container-narrow); }

.section { padding-block: clamp(64px, 8vw, 120px); }
.section-sm { padding-block: clamp(48px, 6vw, 80px); }

.grid { display: grid; gap: 28px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ---------- 章节标题 ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold-2);
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--gold);
  display: inline-block;
}
.eyebrow.center::before { display: none; }
.eyebrow.center {
  padding: 6px 16px;
  background: var(--gold-soft);
  border-radius: var(--radius-full);
  border: 1px solid rgba(176, 141, 79, 0.2);
}

.section-head {
  max-width: 680px;
  margin-bottom: clamp(40px, 5vw, 64px);
}
.section-head.center { margin-inline: auto; text-align: center; }
.section-head p { margin-top: 18px; font-size: 1.08rem; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-size: 0.98rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  transition: all var(--t);
  white-space: nowrap;
  border: 1.5px solid transparent;
  line-height: 1;
}
.btn svg { width: 18px; height: 18px; }

.btn-primary {
  background: var(--navy);
  color: var(--white);
  box-shadow: var(--shadow);
}
.btn-primary:hover {
  background: var(--navy-2);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-gold {
  background: var(--gold);
  color: var(--navy);
  box-shadow: var(--shadow-gold);
}
.btn-gold:hover {
  background: var(--gold-2);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  border-color: var(--line-2);
  color: var(--navy);
}
.btn-outline:hover {
  border-color: var(--navy);
  background: var(--navy);
  color: var(--white);
}

.btn-ghost-light {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.25);
  color: var(--white);
  backdrop-filter: blur(8px);
}
.btn-ghost-light:hover {
  background: rgba(255,255,255,0.18);
  border-color: rgba(255,255,255,0.5);
}

.btn-lg { padding: 17px 36px; font-size: 1.05rem; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.85);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: all var(--t);
}
.site-header.scrolled {
  border-bottom-color: var(--line);
  box-shadow: var(--shadow-sm);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--navy);
  letter-spacing: -0.01em;
}
.brand-mark {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-3) 100%);
  border-radius: 10px;
  color: var(--gold);
  box-shadow: var(--shadow);
}
.brand-mark svg { width: 22px; height: 22px; }
.brand-text small {
  display: block;
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-2);
  margin-top: 2px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-menu a {
  padding: 10px 16px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--ink-2);
  border-radius: var(--radius-full);
  transition: all var(--t-fast);
}
.nav-menu a:hover { color: var(--navy); background: var(--mist-2); }
.nav-menu a.active { color: var(--navy); font-weight: 600; }

.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-cta .btn { padding: 10px 22px; font-size: 0.92rem; }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border-radius: var(--radius);
  align-items: center; justify-content: center;
  color: var(--navy);
}
.nav-toggle svg { width: 24px; height: 24px; }

/* 移动菜单 */
.mobile-menu {
  position: fixed;
  inset: 76px 0 0 0;
  background: var(--white);
  padding: 24px;
  transform: translateX(100%);
  transition: transform var(--t);
  z-index: 99;
  overflow-y: auto;
}
.mobile-menu.open { transform: translateX(0); }
.mobile-menu a {
  display: block;
  padding: 16px 12px;
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
}
.mobile-menu a:hover { color: var(--gold-2); }
.mobile-menu .btn { margin-top: 20px; width: 100%; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding-top: 160px;
  padding-bottom: 100px;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(197,165,114,0.10), transparent 60%),
    radial-gradient(900px 500px at -10% 20%, rgba(27,58,92,0.08), transparent 55%),
    linear-gradient(180deg, #F8FAFC 0%, #FFFFFF 100%);
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 64px;
  align-items: center;
}
.hero h1 {
  font-size: clamp(2.6rem, 5.5vw, 4.2rem);
  line-height: 1.08;
  margin-bottom: 24px;
}
.hero h1 .accent {
  background: linear-gradient(120deg, var(--gold) 0%, var(--gold-2) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-lead {
  font-size: 1.2rem;
  line-height: 1.75;
  color: var(--slate);
  max-width: 540px;
  margin-bottom: 36px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 44px; }
.hero-meta {
  display: flex; gap: 36px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}
.hero-meta .num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--navy);
  line-height: 1;
}
.hero-meta .num span { color: var(--gold-2); }
.hero-meta .lbl { font-size: 0.85rem; color: var(--slate-2); margin-top: 6px; }

/* Hero 视觉卡片 */
.hero-visual {
  position: relative;
}
.hero-card {
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-3) 100%);
  border-radius: var(--radius-xl);
  padding: 36px;
  color: var(--white);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}
.hero-card::before {
  content: "";
  position: absolute;
  top: -40%; right: -20%;
  width: 320px; height: 320px;
  background: radial-gradient(circle, rgba(197,165,114,0.35), transparent 65%);
  border-radius: 50%;
}
.hero-card h3 { color: var(--white); font-size: 1.35rem; margin-bottom: 8px; position: relative; }
.hero-card .tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  background: rgba(197,165,114,0.12);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 18px;
  position: relative;
}
.hero-card-list { margin-top: 24px; position: relative; }
.hero-card-list li {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  font-size: 0.95rem;
}
.hero-card-list li:last-child { border-bottom: none; }
.hero-card-list .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--gold);
  flex-shrink: 0;
}
.hero-card-list .name { color: var(--white); font-weight: 500; }
.hero-card-list .desc { color: rgba(255,255,255,0.65); font-size: 0.82rem; margin-left: auto; }

.hero-float {
  position: absolute;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  box-shadow: var(--shadow-lg);
  display: flex; align-items: center; gap: 12px;
  font-size: 0.85rem;
}
.hero-float .icon {
  width: 40px; height: 40px;
  border-radius: var(--radius);
  display: grid; place-items: center;
  background: var(--gold-soft);
  color: var(--gold-2);
}
.hero-float .icon svg { width: 22px; height: 22px; }
.hero-float strong { color: var(--navy); display: block; font-size: 0.9rem; }
.hero-float small { color: var(--slate-2); }
.hero-float.f1 { bottom: -24px; left: -32px; animation: floatY 5s ease-in-out infinite; }
.hero-float.f2 { top: -20px; right: -24px; animation: floatY 5s ease-in-out infinite 1.5s; }

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ---------- 信任带 ---------- */
.trust {
  padding-block: 56px;
  background: var(--navy);
  color: rgba(255,255,255,0.7);
  overflow: hidden;
}
.trust-label {
  text-align: center;
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: 32px;
}
.trust-marquee {
  display: flex;
  gap: 64px;
  align-items: center;
  white-space: nowrap;
  animation: scrollX 28s linear infinite;
}
.trust-marquee:hover { animation-play-state: paused; }
.trust-item {
  display: flex; align-items: center; gap: 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  color: rgba(255,255,255,0.55);
  letter-spacing: 0.02em;
}
.trust-item svg { width: 26px; height: 26px; color: var(--gold); opacity: 0.8; }
@keyframes scrollX {
  to { transform: translateX(-50%); }
}

/* ---------- 服务卡片 ---------- */
.service-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all var(--t);
  position: relative;
  overflow: hidden;
  height: 100%;
}
.service-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t);
}
.service-card:hover {
  transform: translateY(-6px);
  border-color: transparent;
  box-shadow: var(--shadow-lg);
}
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
  width: 56px; height: 56px;
  border-radius: var(--radius);
  display: grid; place-items: center;
  background: var(--navy-soft);
  color: var(--navy);
  margin-bottom: 22px;
  transition: all var(--t);
}
.service-card:hover .service-icon {
  background: var(--navy);
  color: var(--gold);
  transform: rotate(-6deg);
}
.service-icon svg { width: 28px; height: 28px; }
.service-card h3 { margin-bottom: 10px; font-size: 1.3rem; }
.service-card p { font-size: 0.95rem; margin-bottom: 18px; }
.service-card .tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.service-card .tag-row span {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--slate);
  background: var(--mist-2);
  padding: 5px 12px;
  border-radius: var(--radius-full);
}
.service-link {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.92rem; font-weight: 600;
  color: var(--navy);
  transition: gap var(--t);
}
.service-link svg { width: 16px; height: 16px; transition: transform var(--t); }
.service-card:hover .service-link { color: var(--gold-2); }
.service-card:hover .service-link svg { transform: translateX(4px); }

/* ---------- 优势区 ---------- */
.advantage { background: var(--mist); }
.feature {
  display: flex; gap: 18px;
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  transition: all var(--t);
  height: 100%;
}
.feature:hover { box-shadow: var(--shadow-md); border-color: var(--line-2); transform: translateY(-3px); }
.feature .ic {
  width: 48px; height: 48px;
  flex-shrink: 0;
  border-radius: var(--radius);
  display: grid; place-items: center;
  background: var(--gold-soft);
  color: var(--gold-2);
}
.feature .ic svg { width: 24px; height: 24px; }
.feature h4 { color: var(--navy); margin-bottom: 6px; font-size: 1.1rem; }
.feature p { font-size: 0.92rem; line-height: 1.65; }

/* ---------- 流程时间轴 ---------- */
.process { background: var(--white); }
.timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  position: relative;
  counter-reset: step;
}
.timeline::before {
  content: "";
  position: absolute;
  top: 28px; left: 10%; right: 10%;
  height: 2px;
  background: linear-gradient(90deg, var(--gold) 0%, var(--line) 100%);
}
.timeline-step {
  text-align: center;
  padding: 0 12px;
  position: relative;
}
.timeline-step .num {
  width: 56px; height: 56px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: var(--white);
  border: 2px solid var(--gold);
  display: grid; place-items: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--navy);
  position: relative;
  z-index: 1;
  transition: all var(--t);
}
.timeline-step:hover .num {
  background: var(--navy);
  color: var(--gold);
  transform: scale(1.08);
}
.timeline-step h4 { font-size: 1.05rem; margin-bottom: 8px; color: var(--navy); }
.timeline-step p { font-size: 0.86rem; line-height: 1.6; }

/* ---------- 统计带 ---------- */
.stats-band {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 100%);
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.stats-band::before {
  content: "";
  position: absolute;
  top: -30%; right: -10%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(197,165,114,0.18), transparent 65%);
  border-radius: 50%;
}
.stat-item { text-align: center; position: relative; }
.stat-item .num {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  font-weight: 800;
  color: var(--gold);
  line-height: 1;
  letter-spacing: -0.02em;
}
.stat-item .num .suffix { color: var(--white); font-size: 0.6em; }
.stat-item .lbl {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.75);
  margin-top: 12px;
}

/* ---------- CTA 大区块 ---------- */
.cta-band {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-3) 100%);
  border-radius: var(--radius-xl);
  padding: clamp(40px, 6vw, 72px);
  color: var(--white);
  position: relative;
  overflow: hidden;
  text-align: center;
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(600px 300px at 20% 0%, rgba(197,165,114,0.2), transparent 60%),
    radial-gradient(500px 300px at 90% 100%, rgba(27,58,92,0.6), transparent 60%);
}
.cta-band > * { position: relative; }
.cta-band h2 { color: var(--white); margin-bottom: 18px; }
.cta-band p { color: rgba(255,255,255,0.8); font-size: 1.1rem; max-width: 560px; margin: 0 auto 32px; }
.cta-band .hero-actions { justify-content: center; margin-bottom: 0; }

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--navy);
  color: rgba(255,255,255,0.7);
  padding-top: 80px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 56px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand .brand { color: var(--white); margin-bottom: 20px; }
.footer-brand p { color: rgba(255,255,255,0.6); font-size: 0.92rem; max-width: 320px; line-height: 1.7; }
.footer-col h5 {
  color: var(--white);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul li a {
  color: rgba(255,255,255,0.6);
  font-size: 0.92rem;
  transition: color var(--t-fast);
}
.footer-col ul li a:hover { color: var(--gold); }
.footer-contact li {
  display: flex; gap: 12px; align-items: flex-start;
  margin-bottom: 16px;
  color: rgba(255,255,255,0.7);
  font-size: 0.92rem;
  line-height: 1.6;
}
.footer-contact svg { width: 18px; height: 18px; color: var(--gold); flex-shrink: 0; margin-top: 3px; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding: 28px 0;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.45);
}
.footer-bottom a { color: rgba(255,255,255,0.55); }
.footer-bottom a:hover { color: var(--gold); }

/* ---------- 内页通用 ---------- */
.page-hero {
  padding-top: 150px;
  padding-bottom: 64px;
  background:
    radial-gradient(800px 400px at 85% -20%, rgba(197,165,114,0.12), transparent 60%),
    linear-gradient(180deg, var(--mist) 0%, var(--white) 100%);
  text-align: center;
}
.page-hero .eyebrow { justify-content: center; }
.page-hero h1 { margin-bottom: 20px; }
.page-hero p { max-width: 620px; margin: 0 auto; font-size: 1.15rem; }
.breadcrumb {
  display: flex; justify-content: center; gap: 8px;
  font-size: 0.85rem; color: var(--slate-2);
  margin-bottom: 24px;
}
.breadcrumb a:hover { color: var(--gold-2); }

/* ---------- 服务详情块 ---------- */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding-block: 56px;
}
.service-detail:nth-child(even) .sd-text { order: 2; }
.service-detail + .service-detail { border-top: 1px solid var(--line); }
.sd-text .eyebrow { margin-bottom: 14px; }
.sd-text h2 { margin-bottom: 18px; }
.sd-text > p { margin-bottom: 24px; font-size: 1.02rem; }
.sd-list { display: grid; gap: 14px; margin-bottom: 28px; }
.sd-list li {
  display: flex; gap: 14px; align-items: flex-start;
  font-size: 0.96rem;
  color: var(--ink-2);
}
.sd-list .check {
  width: 22px; height: 22px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--gold-soft);
  color: var(--gold-2);
  display: grid; place-items: center;
  margin-top: 2px;
}
.sd-list .check svg { width: 14px; height: 14px; }
.sd-visual {
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-3) 100%);
  border-radius: var(--radius-xl);
  padding: 40px;
  color: var(--white);
  position: relative;
  overflow: hidden;
  min-height: 340px;
  display: flex; flex-direction: column; justify-content: center;
}
.sd-visual::before {
  content: "";
  position: absolute;
  top: -30%; right: -20%;
  width: 280px; height: 280px;
  background: radial-gradient(circle, rgba(197,165,114,0.3), transparent 65%);
  border-radius: 50%;
}
.sd-visual .label {
  font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px; position: relative;
}
.sd-visual h3 { color: var(--white); font-size: 1.8rem; margin-bottom: 18px; position: relative; }
.sd-visual .meta {
  display: grid; gap: 14px; position: relative;
}
.sd-visual .meta-row {
  display: flex; justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.12);
  font-size: 0.92rem;
}
.sd-visual .meta-row:last-child { border-bottom: none; }
.sd-visual .meta-row .k { color: rgba(255,255,255,0.6); }
.sd-visual .meta-row .v { color: var(--white); font-weight: 600; }

/* ---------- 团队/价值观卡片 ---------- */
.value-card {
  padding: 36px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  text-align: center;
  height: 100%;
  transition: all var(--t);
}
.value-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.value-card .ic {
  width: 64px; height: 64px;
  margin: 0 auto 22px;
  border-radius: var(--radius-lg);
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-3) 100%);
  color: var(--gold);
}
.value-card .ic svg { width: 30px; height: 30px; }
.value-card h4 { color: var(--navy); margin-bottom: 12px; font-size: 1.2rem; }
.value-card p { font-size: 0.95rem; }

/* ---------- 联系页 ---------- */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 56px;
  align-items: start;
}
.contact-info-card {
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-3) 100%);
  border-radius: var(--radius-xl);
  padding: 44px;
  color: var(--white);
  position: relative;
  overflow: hidden;
}
.contact-info-card::before {
  content: "";
  position: absolute;
  top: -30%; right: -20%;
  width: 320px; height: 320px;
  background: radial-gradient(circle, rgba(197,165,114,0.25), transparent 65%);
  border-radius: 50%;
}
.contact-info-card > * { position: relative; }
.contact-info-card h3 { color: var(--white); margin-bottom: 12px; }
.contact-info-card .sub { color: rgba(255,255,255,0.7); margin-bottom: 32px; }
.contact-info-list li {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 20px 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.contact-info-list li:last-child { border-bottom: none; }
.contact-info-list .ic {
  width: 44px; height: 44px;
  flex-shrink: 0;
  border-radius: var(--radius);
  background: rgba(197,165,114,0.15);
  color: var(--gold);
  display: grid; place-items: center;
}
.contact-info-list .ic svg { width: 22px; height: 22px; }
.contact-info-list .k { font-size: 0.8rem; color: rgba(255,255,255,0.55); letter-spacing: 0.05em; text-transform: uppercase; }
.contact-info-list .v { color: var(--white); font-size: 1rem; font-weight: 500; margin-top: 2px; }

.contact-form {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  padding: 44px;
  box-shadow: var(--shadow-md);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 8px;
}
.form-group label .req { color: var(--red); }
.form-control {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  background: var(--mist);
  color: var(--ink);
  font-size: 0.96rem;
  transition: all var(--t-fast);
}
.form-control:focus {
  outline: none;
  border-color: var(--navy);
  background: var(--white);
  box-shadow: 0 0 0 4px rgba(10,37,64,0.08);
}
textarea.form-control { resize: vertical; min-height: 120px; }
select.form-control { cursor: pointer; appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23475569' stroke-width='2'><polyline points='6 9 12 15 18 9'/></svg>");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}
.form-note { font-size: 0.82rem; color: var(--slate-2); margin-top: 14px; }
.form-success {
  display: none;
  padding: 16px 20px;
  background: #ECFDF5;
  border: 1px solid #A7F3D0;
  border-radius: var(--radius);
  color: var(--green);
  font-size: 0.92rem;
  margin-bottom: 20px;
  align-items: center; gap: 10px;
}
.form-success.show { display: flex; }
.form-success svg { width: 20px; height: 20px; }

/* ---------- 通用工具 ---------- */
.bg-mist { background: var(--mist); }
.bg-navy { background: var(--navy); color: var(--white); }
.rounded-xl { border-radius: var(--radius-xl); }

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.16,1,0.3,1);
}
.reveal.in { opacity: 1; transform: translateY(0); }

/* ---------- 备案图标 ---------- */
.beian-icon {
  display: inline-block;
  width: 16px;
  height: 16px;
  vertical-align: -2px;
  margin-right: 4px;
}
.reveal.d1 { transition-delay: 0.08s; }
.reveal.d2 { transition-delay: 0.16s; }
.reveal.d3 { transition-delay: 0.24s; }
.reveal.d4 { transition-delay: 0.32s; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { max-width: 480px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .timeline { grid-template-columns: repeat(2, 1fr); gap: 36px 12px; }
  .timeline::before { display: none; }
}

@media (max-width: 768px) {
  .nav-menu, .nav-cta .btn:not(.btn-gold) { display: none; }
  .nav-toggle { display: flex; }
  .nav-cta .btn-gold { padding: 9px 18px; font-size: 0.85rem; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .hero { padding-top: 120px; }
  .hero-meta { gap: 24px; flex-wrap: wrap; }
  .service-detail { grid-template-columns: 1fr; gap: 36px; }
  .service-detail:nth-child(even) .sd-text { order: 0; }
  .contact-layout { grid-template-columns: 1fr; gap: 36px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
  .cta-band { padding: 40px 28px; }
  .section { padding-block: 56px; }
  .hero-float.f1 { left: 0; }
  .hero-float.f2 { right: 0; }
}

@media (max-width: 480px) {
  .container { padding-inline: 18px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .timeline { grid-template-columns: 1fr; }
  .contact-form, .contact-info-card { padding: 28px; }
}