/* =========================================
   铭赞网络 · 西安微信小程序开发
   main.css — 基础样式与布局
   ========================================= */

/* ====== 设计 Token ====== */
:root {
  /* Color */
  --color-navy: #0E2A47;
  --color-navy-deep: #08203A;
  --color-navy-soft: #1A3B5C;
  --color-gold: #D4A24C;
  --color-gold-soft: #E8C281;
  --color-gold-deep: #B68734;
  --color-bg: #FFFFFF;
  --color-bg-soft: #F5F7FB;
  --color-bg-elev: #FAFBFD;
  --color-text: #1A1A1A;
  --color-text-soft: #4A5568;
  --color-text-mute: #7A8699;
  --color-border: #E5E9F0;
  --color-border-soft: #EEF1F6;
  --color-red: #E94B3C;
  --color-red-deep: #C53A2C;
  --color-green: #1F9D55;
  --color-blue: #2D6CDF;

  /* Typography */
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", serif;
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", system-ui, -apple-system, sans-serif;

  /* Spacing */
  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 20px;
  --s-6: 24px;
  --s-8: 32px;
  --s-10: 40px;
  --s-12: 48px;
  --s-16: 64px;
  --s-20: 80px;
  --s-24: 96px;

  /* Radius */
  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 12px;
  --r-xl: 16px;
  --r-2xl: 24px;

  /* Shadow */
  --sh-sm: 0 1px 2px rgba(14, 42, 71, 0.04), 0 1px 3px rgba(14, 42, 71, 0.06);
  --sh-md: 0 4px 12px rgba(14, 42, 71, 0.06), 0 2px 4px rgba(14, 42, 71, 0.04);
  --sh-lg: 0 12px 32px rgba(14, 42, 71, 0.10), 0 4px 8px rgba(14, 42, 71, 0.05);
  --sh-xl: 0 24px 60px rgba(14, 42, 71, 0.12), 0 8px 16px rgba(14, 42, 71, 0.06);
  --sh-gold: 0 8px 24px rgba(212, 162, 76, 0.20);

  /* Layout */
  --container: 1280px;
  --header-h: 72px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-snap: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ====== Reset ====== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 700;
  line-height: 1.3;
  margin: 0;
  color: var(--color-navy);
}
p { margin: 0; }
a {
  color: var(--color-navy);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}
a:hover { color: var(--color-gold-deep); }
img { max-width: 100%; height: auto; display: block; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; padding: 0; }
ul, ol { list-style: none; padding: 0; margin: 0; }

/* ====== Layout 容器 ====== */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--s-6);
}

/* ====== Section 通用 ====== */
.section {
  padding: var(--s-20) 0;
  position: relative;
}
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto var(--s-12);
}
.section-eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--color-gold-deep);
  text-transform: uppercase;
  margin-bottom: var(--s-4);
  padding: var(--s-1) var(--s-3);
  background: rgba(212, 162, 76, 0.08);
  border-radius: var(--r-sm);
}
.section-title {
  font-size: 38px;
  font-weight: 700;
  margin-bottom: var(--s-4);
  letter-spacing: -0.01em;
}
.section-subtitle {
  font-size: 16px;
  color: var(--color-text-soft);
  line-height: 1.7;
}

/* ====== 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(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid transparent;
  transition: all 0.3s var(--ease);
}
.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.95);
  border-bottom-color: var(--color-border-soft);
  box-shadow: var(--sh-sm);
}
.nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: var(--s-6);
}

/* ====== LOGO ====== */
.brand {
  display: inline-flex;
  align-items: baseline;
  gap: var(--s-3);
  font-family: var(--font-serif);
  font-weight: 700;
  flex-shrink: 0;
}
.brand-name {
  font-size: 24px;
  color: var(--color-navy);
  display: inline-flex;
  align-items: baseline;
  letter-spacing: -0.01em;
}
.brand-mark {
  background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-deep) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: 900;
  position: relative;
  padding: 0 2px;
}
.brand-mark::after {
  content: "";
  position: absolute;
  bottom: -2px; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-gold) 0%, var(--color-gold-deep) 100%);
  border-radius: 1px;
}
.brand-rest { color: var(--color-navy); }
.brand-r {
  font-size: 0.45em;
  vertical-align: super;
  color: var(--color-gold-deep);
  margin-left: 1px;
  font-weight: 600;
}
.brand-divider {
  font-size: 22px;
  color: var(--color-border);
  font-weight: 300;
  margin: 0 var(--s-1);
}
.brand-tag {
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--color-gold-deep);
  font-weight: 600;
  letter-spacing: 0.01em;
}

/* ====== Nav Menu ====== */
.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--s-8);
  margin-left: auto;
  margin-right: var(--s-6);
}
.nav-menu a {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-soft);
  position: relative;
  padding: var(--s-2) 0;
  transition: color 0.2s var(--ease);
}
.nav-menu a::after {
  content: "";
  position: absolute;
  bottom: 0; left: 50%;
  width: 0;
  height: 2px;
  background: var(--color-gold);
  transition: all 0.25s var(--ease);
  transform: translateX(-50%);
}
.nav-menu a:hover { color: var(--color-navy); }
.nav-menu a:hover::after { width: 100%; }
.nav-menu a.is-active { color: var(--color-navy); }
.nav-menu a.is-active::after { width: 100%; }

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: var(--s-3) var(--s-5);
  background: var(--color-navy);
  color: #fff;
  border-radius: var(--r-md);
  font-size: 14px;
  font-weight: 500;
  transition: all 0.25s var(--ease);
  white-space: nowrap;
}
.nav-cta:hover {
  background: var(--color-gold-deep);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--sh-gold);
}
.nav-cta-icon { font-size: 14px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 22px;
  padding: 0;
}
.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-navy);
  border-radius: 1px;
  transition: all 0.3s var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(10px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-10px) rotate(-45deg);
}

/* ====== Hero ====== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--header-h) + var(--s-12));
  padding-bottom: var(--s-16);
  background: linear-gradient(135deg, #0E2A47 0%, #1A3B5C 60%, #2A5279 100%);
  color: #fff;
  overflow: hidden;
}
.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(212, 162, 76, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212, 162, 76, 0.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 30%, transparent 90%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 30%, transparent 90%);
  animation: grid-drift 30s linear infinite;
}
.hero-glow {
  position: absolute;
  top: 10%; right: -10%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(212, 162, 76, 0.18) 0%, transparent 70%);
  filter: blur(40px);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 2;
  text-align: center;
}
.hero-eyebrow {
  display: inline-block;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--color-gold-soft);
  padding: var(--s-2) var(--s-5);
  border: 1px solid rgba(212, 162, 76, 0.4);
  border-radius: 100px;
  margin-bottom: var(--s-6);
  background: rgba(212, 162, 76, 0.06);
}
.hero-title {
  font-size: 56px;
  font-weight: 700;
  line-height: 1.15;
  color: #fff;
  margin: 0 auto var(--s-5);
  max-width: 920px;
  word-break: keep-all;
  text-wrap: balance;
  overflow-wrap: break-word;
  letter-spacing: -0.01em;
}
.hero-title strong {
  background: linear-gradient(135deg, var(--color-gold-soft) 0%, var(--color-gold) 50%, var(--color-gold-deep) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: 900;
  position: relative;
  padding: 0 4px;
}
.title-line-sub {
  display: block;
  font-size: 0.45em;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.65);
  margin-top: var(--s-4);
  letter-spacing: 0.05em;
}
.hero-desc {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.78);
  max-width: 720px;
  margin: 0 auto var(--s-10);
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-4);
  margin-bottom: var(--s-16);
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: 14px 28px;
  font-size: 15px;
  font-weight: 500;
  border-radius: var(--r-md);
  transition: all 0.25s var(--ease);
  white-space: nowrap;
  cursor: pointer;
  border: 1px solid transparent;
}
.btn-primary {
  background: linear-gradient(135deg, var(--color-red) 0%, var(--color-red-deep) 100%);
  color: #fff;
  box-shadow: 0 8px 24px rgba(233, 75, 60, 0.28);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-red-deep) 0%, #A82A1E 100%);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(233, 75, 60, 0.36);
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(10px);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.5);
  color: #fff;
  transform: translateY(-2px);
}
.btn-arrow, .btn-icon {
  transition: transform 0.25s var(--ease);
}
.btn:hover .btn-arrow { transform: translateX(4px); }

.hero-trust {
  display: inline-flex;
  align-items: center;
  gap: var(--s-8);
  padding: var(--s-5) var(--s-8);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--r-xl);
  backdrop-filter: blur(10px);
}
.trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}
.trust-num {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 700;
  color: var(--color-gold-soft);
  line-height: 1;
  font-feature-settings: "tnum";
}
.trust-suffix {
  display: inline-block;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  margin-left: 2px;
  font-weight: 500;
}
.trust-label {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 0.05em;
}
.trust-divider {
  width: 1px;
  height: 36px;
  background: rgba(255, 255, 255, 0.15);
}

.hero-scroll {
  position: absolute;
  bottom: var(--s-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s-2);
  color: rgba(255, 255, 255, 0.5);
  font-size: 12px;
  letter-spacing: 0.2em;
  z-index: 2;
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-gold-soft), transparent);
  position: relative;
  overflow: hidden;
}
.scroll-line::after {
  content: "";
  position: absolute;
  top: -10px; left: 0; right: 0;
  height: 12px;
  background: var(--color-gold-soft);
  animation: scroll-pulse 2s var(--ease) infinite;
}

/* ====== Services Section ====== */
.section-services {
  background: var(--color-bg);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-6);
  margin-bottom: var(--s-16);
}
.service-card {
  position: relative;
  padding: var(--s-8) var(--s-6);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--r-xl);
  transition: all 0.3s var(--ease);
  overflow: hidden;
}
.service-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-gold) 0%, var(--color-gold-deep) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--sh-xl);
  border-color: var(--color-gold-soft);
}
.service-card:hover::before { transform: scaleX(1); }
.service-card.feature {
  background: linear-gradient(180deg, #fff 0%, #FAFCFF 100%);
  border-color: var(--color-border-soft);
}
.service-num {
  position: absolute;
  top: var(--s-4);
  right: var(--s-6);
  font-family: var(--font-serif);
  font-size: 56px;
  font-weight: 900;
  line-height: 1;
  color: var(--color-bg-soft);
  z-index: 0;
  transition: color 0.3s var(--ease);
}
.service-card:hover .service-num {
  color: rgba(212, 162, 76, 0.12);
}
.service-icon {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: var(--r-lg);
  background: linear-gradient(135deg, rgba(212, 162, 76, 0.10) 0%, rgba(212, 162, 76, 0.18) 100%);
  color: var(--color-gold-deep);
  margin-bottom: var(--s-5);
}
.service-title {
  position: relative;
  z-index: 1;
  font-size: 22px;
  font-weight: 700;
  margin-bottom: var(--s-3);
}
.service-desc {
  position: relative;
  z-index: 1;
  color: var(--color-text-soft);
  font-size: 14.5px;
  line-height: 1.7;
  margin-bottom: var(--s-5);
}
.service-list {
  position: relative;
  z-index: 1;
  margin-bottom: var(--s-5);
}
.service-list li {
  position: relative;
  padding-left: var(--s-5);
  font-size: 13.5px;
  color: var(--color-text-soft);
  line-height: 1.7;
  margin-bottom: var(--s-2);
}
.service-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-gold);
}
.service-link {
  position: relative;
  z-index: 1;
  display: inline-block;
  font-size: 14px;
  font-weight: 500;
  color: var(--color-gold-deep);
  transition: transform 0.25s var(--ease);
}
.service-link:hover {
  transform: translateX(4px);
  color: var(--color-gold-deep);
}

.expansion-title {
  text-align: center;
  font-size: 22px;
  margin-bottom: var(--s-8);
  color: var(--color-navy);
  position: relative;
  display: inline-block;
  width: 100%;
}
.expansion-title::before,
.expansion-title::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 80px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border));
}
.expansion-title::before { left: calc(50% - 200px); }
.expansion-title::after { right: calc(50% - 200px); transform: scaleX(-1); }

.expansion-grid {
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  gap: var(--s-3);
}
.expansion-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s-2);
  padding: var(--s-5) var(--s-3);
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--r-md);
  text-align: center;
  transition: all 0.25s var(--ease);
  cursor: pointer;
}
.expansion-card:hover {
  background: #fff;
  border-color: var(--color-gold-soft);
  transform: translateY(-3px);
  box-shadow: var(--sh-md);
}
.expansion-icon { font-size: 28px; line-height: 1; }
.expansion-name {
  font-size: 13.5px;
  font-weight: 500;
  color: var(--color-text);
}

/* ====== Industries ====== */
.section-industries {
  background: var(--color-bg-soft);
  position: relative;
}
.industries-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--s-4);
}
.industry-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s-2);
  padding: var(--s-6) var(--s-3);
  background: #fff;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--r-lg);
  text-align: center;
  transition: all 0.25s var(--ease);
}
.industry-card:hover {
  border-color: var(--color-gold);
  transform: translateY(-3px);
  box-shadow: var(--sh-md);
  color: var(--color-navy);
}
.industry-icon { font-size: 32px; line-height: 1; }
.industry-name {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--color-navy);
}
.industry-desc {
  font-size: 12.5px;
  color: var(--color-text-mute);
}

/* ====== Advantages ====== */
.section-advantages {
  background: #fff;
}
.advantage-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s-5);
  margin-bottom: var(--s-16);
}
.stat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--s-8) var(--s-5);
  background: linear-gradient(180deg, #fff 0%, var(--color-bg-soft) 100%);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--r-xl);
  transition: all 0.3s var(--ease);
}
.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--sh-lg);
  border-color: var(--color-gold-soft);
}
.stat-num {
  font-family: var(--font-serif);
  font-size: 48px;
  font-weight: 900;
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-gold-deep) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1.1;
  display: inline-flex;
  align-items: baseline;
  margin-bottom: var(--s-2);
  font-feature-settings: "tnum";
}
.stat-suffix {
  font-size: 24px;
  font-weight: 700;
  margin-left: 4px;
}
.stat-label {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-navy);
  margin-bottom: 4px;
}
.stat-note {
  font-size: 12.5px;
  color: var(--color-text-mute);
}

.timeline {
  max-width: 880px;
  margin: 0 auto var(--s-16);
}
.timeline-title {
  text-align: center;
  font-size: 24px;
  margin-bottom: var(--s-10);
  color: var(--color-navy);
}
.timeline-list {
  position: relative;
  padding-left: 0;
}
.timeline-list::before {
  content: "";
  position: absolute;
  left: 100px;
  top: 12px;
  bottom: 12px;
  width: 2px;
  background: linear-gradient(180deg, var(--color-gold) 0%, var(--color-border) 100%);
}
.timeline-item {
  position: relative;
  display: grid;
  grid-template-columns: 100px 24px 1fr;
  align-items: start;
  gap: var(--s-5);
  margin-bottom: var(--s-8);
}
.timeline-year {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-gold-deep);
  text-align: right;
  padding-top: 2px;
}
.timeline-dot {
  position: relative;
  width: 14px;
  height: 14px;
  background: var(--color-gold);
  border: 3px solid #fff;
  border-radius: 50%;
  margin-top: 8px;
  box-shadow: 0 0 0 2px var(--color-gold-soft);
  justify-self: center;
  z-index: 1;
}
.timeline-body {
  background: var(--color-bg-soft);
  padding: var(--s-5);
  border-radius: var(--r-lg);
  border-left: 3px solid var(--color-gold-soft);
}
.timeline-body h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: var(--s-2);
  color: var(--color-navy);
}
.timeline-body p {
  font-size: 14px;
  color: var(--color-text-soft);
  line-height: 1.6;
}

.advantage-features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s-5);
}
.feature-block {
  padding: var(--s-6);
  background: #fff;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--r-lg);
  transition: all 0.25s var(--ease);
}
.feature-block:hover {
  transform: translateY(-3px);
  box-shadow: var(--sh-md);
  border-color: var(--color-gold-soft);
}
.feature-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  font-size: 24px;
  background: linear-gradient(135deg, rgba(14, 42, 71, 0.06) 0%, rgba(212, 162, 76, 0.10) 100%);
  border-radius: var(--r-md);
  margin-bottom: var(--s-4);
}
.feature-block h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: var(--s-2);
  color: var(--color-navy);
}
.feature-block p {
  font-size: 13.5px;
  color: var(--color-text-soft);
  line-height: 1.65;
}

/* ====== Process ====== */
.section-process {
  background: var(--color-bg-soft);
}
.process-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--s-4);
  position: relative;
}
.process-card {
  position: relative;
  padding: var(--s-6) var(--s-4);
  background: #fff;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--r-lg);
  transition: all 0.25s var(--ease);
  text-align: center;
}
.process-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--sh-md);
  border-color: var(--color-gold-soft);
}
.process-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-soft) 100%);
  color: var(--color-gold-soft);
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  border-radius: 50%;
  margin-bottom: var(--s-4);
  box-shadow: 0 4px 12px rgba(14, 42, 71, 0.15);
}
.process-card h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: var(--s-2);
  color: var(--color-navy);
}
.process-card p {
  font-size: 13px;
  color: var(--color-text-soft);
  line-height: 1.6;
  margin-bottom: var(--s-3);
}
.process-tag {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 500;
  color: var(--color-gold-deep);
  padding: 2px var(--s-2);
  background: rgba(212, 162, 76, 0.10);
  border-radius: var(--r-sm);
}

/* ====== FAQ ====== */
.section-faq {
  background: #fff;
}
.faq-list {
  max-width: 920px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}
.faq-item {
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: all 0.25s var(--ease);
}
.faq-item:hover { border-color: var(--color-gold-soft); }
.faq-item[open] {
  background: #fff;
  border-color: var(--color-gold);
  box-shadow: var(--sh-md);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: var(--s-5) var(--s-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
  user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-q {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--color-navy);
  line-height: 1.5;
  flex: 1;
}
.faq-toggle {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  position: relative;
  border-radius: 50%;
  background: var(--color-navy);
  transition: all 0.25s var(--ease);
}
.faq-toggle::before,
.faq-toggle::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--color-gold-soft);
  transform: translate(-50%, -50%);
  transition: all 0.25s var(--ease);
}
.faq-toggle::before { width: 12px; height: 1.5px; }
.faq-toggle::after { width: 1.5px; height: 12px; }
.faq-item[open] .faq-toggle { background: var(--color-gold); transform: rotate(180deg); }
.faq-item[open] .faq-toggle::before { background: var(--color-navy); }
.faq-item[open] .faq-toggle::after { transform: translate(-50%, -50%) scaleY(0); }
.faq-a {
  padding: 0 var(--s-6) var(--s-5);
  border-top: 1px solid var(--color-border-soft);
  margin-top: -1px;
  animation: faq-reveal 0.3s var(--ease);
}
.faq-a p {
  padding-top: var(--s-4);
  color: var(--color-text-soft);
  font-size: 14.5px;
  line-height: 1.8;
}
.faq-a strong { color: var(--color-gold-deep); font-weight: 600; }

/* ====== Contact ====== */
.section-contact {
  background: linear-gradient(180deg, var(--color-bg-soft) 0%, #fff 100%);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--s-8);
  align-items: start;
}
.contact-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--s-4);
}
.contact-card {
  display: flex;
  align-items: center;
  gap: var(--s-4);
  padding: var(--s-5);
  background: #fff;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--r-lg);
  transition: all 0.25s var(--ease);
  color: var(--color-text);
}
a.contact-card:hover {
  border-color: var(--color-gold);
  transform: translateY(-2px);
  box-shadow: var(--sh-md);
  color: var(--color-navy);
}
.contact-icon {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, rgba(14, 42, 71, 0.06) 0%, rgba(212, 162, 76, 0.10) 100%);
  color: var(--color-gold-deep);
  border-radius: var(--r-md);
}
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  flex: 1;
}
.contact-label {
  font-size: 12.5px;
  color: var(--color-text-mute);
  letter-spacing: 0.05em;
}
.contact-value {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.3;
  word-break: break-all;
}
.contact-tip {
  font-size: 12px;
  color: var(--color-text-mute);
}

.contact-qr {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--s-6) var(--s-5) var(--s-5);
  background: linear-gradient(180deg, #fff 0%, var(--color-bg-soft) 100%);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--r-xl);
  box-shadow: var(--sh-md);
  text-align: center;
  position: sticky;
  top: calc(var(--header-h) + var(--s-4));
}
.qr-title {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--s-1);
}
.qr-subtitle {
  font-size: 12.5px;
  color: var(--color-text-mute);
  margin-bottom: var(--s-4);
}
.qr-frame {
  position: relative;
  width: 240px;
  height: 240px;
  background: #fff;
  padding: var(--s-3);
  border-radius: var(--r-md);
  box-shadow: inset 0 0 0 1px var(--color-border);
  margin-bottom: var(--s-3);
}
.qr-frame::before,
.qr-frame::after,
.qr-corner {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2px solid var(--color-gold);
}
.qr-frame::before { top: 0; left: 0; border-right: 0; border-bottom: 0; }
.qr-frame::after { top: 0; right: 0; border-left: 0; border-bottom: 0; }
.qr-corner:nth-of-type(2) { bottom: 0; left: 0; border-right: 0; border-top: 0; }
.qr-corner:nth-of-type(3) { bottom: 0; right: 0; border-left: 0; border-top: 0; }
.qr-frame img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.qr-tip {
  font-size: 13px;
  color: var(--color-gold-deep);
  font-weight: 500;
}

/* ====== Footer ====== */
.site-footer {
  background: var(--color-navy-deep);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--s-16) 0 var(--s-6);
  position: relative;
  overflow: hidden;
}
.site-footer::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr 1fr 1fr 1fr;
  gap: var(--s-6);
  margin-bottom: var(--s-10);
}
.footer-brand .footer-logo {
  margin-bottom: var(--s-4);
}
.footer-brand .brand-name { font-size: 22px; }
.footer-brand .brand-mark { background: linear-gradient(135deg, var(--color-gold-soft) 0%, var(--color-gold-deep) 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.footer-brand .brand-rest { color: #fff; }
.footer-brand .brand-r { color: var(--color-gold); }
.footer-brand .brand-mark::after { background: linear-gradient(90deg, var(--color-gold-soft), var(--color-gold-deep)); }

.footer-desc {
  font-size: 13px;
  line-height: 1.7;
  margin-bottom: var(--s-4);
  color: rgba(255, 255, 255, 0.6);
}
.footer-company, .footer-icp {
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: var(--s-1);
}
.footer-icp a { color: rgba(255, 255, 255, 0.75); }
.footer-icp a:hover { color: var(--color-gold-soft); }

.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  margin-bottom: var(--s-4);
  letter-spacing: 0.05em;
  position: relative;
  padding-bottom: var(--s-2);
}
.footer-col h4::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0;
  width: 24px;
  height: 2px;
  background: var(--color-gold);
}
.footer-col ul li {
  margin-bottom: var(--s-2);
}
.footer-col ul li a {
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.6);
  transition: color 0.2s var(--ease);
  display: inline-block;
}
.footer-col ul li a:hover {
  color: var(--color-gold-soft);
  transform: translateX(2px);
}

.footer-bottom {
  padding-top: var(--s-5);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
}
.footer-bottom p {
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.5);
}
.footer-bottom a { color: rgba(255, 255, 255, 0.7); }
.footer-bottom a:hover { color: var(--color-gold-soft); }

/* ====== Selection ====== */
::selection { background: var(--color-gold); color: var(--color-navy); }

/* ====== Scrollbar ====== */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--color-bg-soft); }
::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 5px;
  border: 2px solid var(--color-bg-soft);
}
::-webkit-scrollbar-thumb:hover { background: var(--color-gold-soft); }