/* ============================================
   闫宝龙 Yandex Ads 西安营销站 · 样式
   风格:编辑式设计 · Yandex 黄色为点缀 · 暖白底色
   ============================================ */

:root {
  --ink: #0E0E10;
  --ink-2: #1A1A1C;
  --ink-3: #2A2A2E;
  --paper: #F6F4EE;
  --paper-2: #EFEBE0;
  --paper-3: #E6E1D2;
  --line: rgba(14, 14, 16, 0.08);
  --line-strong: rgba(14, 14, 16, 0.16);
  --text: #0E0E10;
  --text-2: #4A4A4D;
  --text-3: #6B6B6F;
  --yellow: #FFCC00;
  --yellow-2: #FFD633;
  --yellow-deep: #E5B800;
  --red: #C84B31;
  --navy: #1E3A5F;
  --shadow-sm: 0 1px 2px rgba(14, 14, 16, 0.04), 0 1px 1px rgba(14, 14, 16, 0.06);
  --shadow-md: 0 4px 12px rgba(14, 14, 16, 0.06), 0 2px 4px rgba(14, 14, 16, 0.04);
  --shadow-lg: 0 24px 48px -12px rgba(14, 14, 16, 0.18);
  --radius: 12px;
  --radius-sm: 8px;
  --container: 1280px;
  --gutter: 24px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; transition: color 0.2s var(--ease); }
a:hover { color: var(--ink); }
button { font-family: inherit; cursor: pointer; }

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

/* ---------- 顶部条 ---------- */
.topbar {
  background: var(--ink);
  color: #C9C9CE;
  font-size: 13px;
  letter-spacing: 0.02em;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.topbar-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 9px var(--gutter);
  display: flex;
  align-items: center;
  gap: 10px;
  justify-content: center;
}
.topbar-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--yellow);
  box-shadow: 0 0 0 0 rgba(255, 204, 0, 0.7);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(255, 204, 0, 0.7); }
  70% { box-shadow: 0 0 0 8px rgba(255, 204, 0, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 204, 0, 0); }
}

/* ---------- 导航 ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(246, 244, 238, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease);
}
.nav.is-scrolled {
  background: rgba(246, 244, 238, 0.96);
  border-bottom-color: var(--line);
}
.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 16px var(--gutter);
  display: flex;
  align-items: center;
  gap: 28px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: -0.01em;
  white-space: nowrap;
  color: var(--ink);
}
.logo-main { font-family: 'Manrope', sans-serif; font-size: 22px; position: relative; }
.logo-main .tm { font-size: 10px; vertical-align: super; margin-left: 2px; color: var(--text-2); font-weight: 600; }
.logo-sep { color: var(--text-3); font-weight: 400; }
.logo-sub {
  font-family: 'Manrope', sans-serif;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.005em;
  color: var(--text);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-left: auto;
}
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-2);
  position: relative;
  padding: 6px 0;
}
.nav-links a:hover { color: var(--ink); }
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--yellow);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease);
}
.nav-links a:hover::after { transform: scaleX(1); }

.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 10px 18px;
  background: var(--ink);
  color: var(--paper) !important;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  font-family: 'Manrope', sans-serif;
  letter-spacing: -0.005em;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease);
}
.nav-cta:hover { background: var(--yellow); color: var(--ink) !important; transform: translateY(-1px); }

.nav-burger {
  display: none;
  background: transparent;
  border: 0;
  width: 36px; height: 36px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  padding: 0;
  margin-left: auto;
}
.nav-burger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}
.nav-burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.is-open span:nth-child(2) { opacity: 0; }
.nav-burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- HERO ---------- */
.hero {
  position: relative;
  background: var(--ink);
  color: #F0EFEA;
  overflow: hidden;
  padding: 80px 0 120px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  will-change: transform;
}
.hero-orb-1 {
  width: 540px; height: 540px;
  background: radial-gradient(circle, var(--yellow) 0%, transparent 70%);
  top: -120px; right: -80px;
  animation: float1 18s ease-in-out infinite;
}
.hero-orb-2 {
  width: 480px; height: 480px;
  background: radial-gradient(circle, #C84B31 0%, transparent 70%);
  bottom: -160px; left: -120px;
  animation: float2 22s ease-in-out infinite;
  opacity: 0.4;
}
@keyframes float1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-40px, 30px) scale(1.08); }
}
@keyframes float2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(50px, -30px) scale(1.1); }
}
.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 64px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--yellow);
  margin-bottom: 28px;
  font-family: 'Manrope', sans-serif;
}
.eyebrow-bar { width: 36px; height: 1px; background: var(--yellow); }
.hero-title {
  font-family: 'Manrope', sans-serif;
  font-size: clamp(40px, 5.6vw, 78px);
  line-height: 1.05;
  letter-spacing: -0.025em;
  font-weight: 800;
  margin: 0 0 24px;
  color: #FAFAF7;
}
.hero-accent {
  color: var(--yellow);
  position: relative;
  display: inline-block;
}
.hero-accent::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 6px;
  height: 12px;
  background: rgba(255, 204, 0, 0.2);
  z-index: -1;
}
.hero-sub {
  font-size: 17px;
  line-height: 1.7;
  color: rgba(250, 250, 247, 0.72);
  max-width: 540px;
  margin: 0 0 36px;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 36px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  font-size: 15px;
  font-weight: 600;
  font-family: 'Manrope', sans-serif;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
  white-space: nowrap;
  cursor: pointer;
}
.btn-primary {
  background: var(--yellow);
  color: var(--ink);
  border-color: var(--yellow);
}
.btn-primary:hover {
  background: var(--yellow-2);
  color: var(--ink);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(255, 204, 0, 0.25);
}
.btn-ghost {
  background: transparent;
  color: #FAFAF7;
  border-color: rgba(255, 255, 255, 0.24);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.4);
  color: #FAFAF7;
  transform: translateY(-2px);
}
.btn-block { width: 100%; }
.hero-points {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  font-size: 14px;
  color: rgba(250, 250, 247, 0.7);
}
.hero-points li { display: flex; align-items: center; gap: 8px; }
.hero-points .dot {
  width: 6px; height: 6px;
  background: var(--yellow);
  border-radius: 50%;
}

/* Hero 动态数据卡 */
.hero-card {
  position: relative;
  background: linear-gradient(180deg, #FAFAF7 0%, #F0EEE6 100%);
  color: var(--ink);
  border-radius: 20px;
  padding: 28px;
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.05);
  overflow: hidden;
  border: 1px solid rgba(255, 204, 0, 0.18);
}
.hero-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--yellow) 0%, var(--red) 100%);
}
.hero-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}
.hero-card-title {
  font-family: 'Manrope', sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  display: flex;
  align-items: center;
  gap: 8px;
}
.live {
  width: 8px; height: 8px;
  background: var(--red);
  border-radius: 50%;
  animation: pulse-red 1.5s infinite;
  box-shadow: 0 0 0 0 rgba(200, 75, 49, 0.5);
}
@keyframes pulse-red {
  0% { box-shadow: 0 0 0 0 rgba(200, 75, 49, 0.5); }
  70% { box-shadow: 0 0 0 6px rgba(200, 75, 49, 0); }
  100% { box-shadow: 0 0 0 0 rgba(200, 75, 49, 0); }
}
.hero-card-tag {
  font-size: 12px;
  color: var(--text-3);
  font-family: 'JetBrains Mono', monospace;
}
.hero-card-body {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 22px;
}
.metric {
  padding: 14px 16px;
  background: rgba(14, 14, 16, 0.03);
  border-radius: 10px;
  border-left: 3px solid var(--yellow);
}
.metric-label {
  font-size: 12px;
  color: var(--text-3);
  font-weight: 500;
  margin-bottom: 4px;
  letter-spacing: 0.02em;
}
.metric-value {
  font-family: 'Manrope', sans-serif;
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: 4px;
  color: var(--ink);
}
.metric-trend {
  font-size: 12px;
  color: var(--text-3);
  font-family: 'JetBrains Mono', monospace;
}
.metric-trend.up { color: #2D7A3F; }
.hero-card-foot {
  border-top: 1px solid rgba(14, 14, 16, 0.08);
  padding-top: 16px;
  overflow: hidden;
}
.hero-card-ticker {
  display: flex;
  white-space: nowrap;
  font-family: 'Manrope', sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--ink);
}
.ticker-track {
  display: flex;
  gap: 16px;
  animation: ticker 30s linear infinite;
}
.ticker-track span:nth-child(even) { color: var(--yellow-deep); }
@keyframes ticker {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
.hero-scroll {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: rgba(250, 250, 247, 0.4);
  z-index: 2;
}
.hero-scroll-line {
  width: 1px;
  height: 36px;
  background: linear-gradient(180deg, var(--yellow) 0%, transparent 100%);
  animation: scroll-line 2s ease-in-out infinite;
}
@keyframes scroll-line {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ---------- 信任数据 ---------- */
.stats {
  background: var(--paper);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 60px 0;
}
.stats-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  text-align: center;
}
.stat-num {
  font-family: 'Manrope', sans-serif;
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--ink);
  margin-bottom: 8px;
}
.stat-num::after {
  content: "+";
  color: var(--yellow-deep);
  font-size: 0.7em;
  margin-left: 2px;
}
.stat-label {
  font-size: 14px;
  color: var(--text-2);
  letter-spacing: 0.02em;
}

/* ---------- 通用 Section ---------- */
.section {
  padding: 120px 0;
  position: relative;
}
.section + .section { padding-top: 0; }
.section-head {
  max-width: 760px;
  margin: 0 auto 72px;
  text-align: center;
}
.section-tag {
  display: inline-block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--text-3);
  margin-bottom: 18px;
  padding: 6px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(14, 14, 16, 0.02);
}
.section-title {
  font-family: 'Manrope', sans-serif;
  font-size: clamp(32px, 4.4vw, 52px);
  line-height: 1.15;
  letter-spacing: -0.025em;
  font-weight: 800;
  margin: 0 0 20px;
  color: var(--ink);
}
.section-lead {
  font-size: 17px;
  line-height: 1.7;
  color: var(--text-2);
  margin: 0;
}

/* ---------- 服务卡 ---------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.service-card {
  position: relative;
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 32px 28px;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
  overflow: hidden;
}
.service-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--yellow) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s var(--ease);
  pointer-events: none;
}
.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--ink);
  box-shadow: var(--shadow-md);
}
.service-card:hover::before { opacity: 0.04; }
.service-ico {
  width: 56px; height: 56px;
  background: var(--ink);
  color: var(--yellow);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
}
.service-card h3 {
  font-family: 'Manrope', sans-serif;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 12px;
  color: var(--ink);
}
.service-card p {
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-2);
  margin: 0 0 18px;
}
.service-list {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px dashed var(--line);
  padding-top: 16px;
}
.service-list li {
  font-size: 13px;
  color: var(--text-2);
  padding: 6px 0 6px 18px;
  position: relative;
}
.service-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 14px;
  width: 8px; height: 1px;
  background: var(--yellow-deep);
}

/* ---------- 关于闫宝龙 ---------- */
.section-about {
  background: var(--ink);
  color: #F0EFEA;
  padding: 120px 0;
  position: relative;
  overflow: hidden;
}
.section-about::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--yellow), transparent);
}
.about-inner {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 80px;
  align-items: start;
}
.about-portrait { position: relative; }
.portrait-frame {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  background: #1A1A1C;
  aspect-ratio: 4/5;
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.portrait-frame img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center top;
  filter: grayscale(0.1);
}
.portrait-tag {
  position: absolute;
  top: 20px; left: 20px;
  background: var(--yellow);
  color: var(--ink);
  font-family: 'Manrope', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 6px 12px;
  border-radius: 999px;
}
.portrait-meta {
  margin-top: 24px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 14px;
  padding: 8px 22px;
}
.meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  font-size: 14px;
}
.meta-row:last-child { border-bottom: 0; }
.meta-row span { color: rgba(250, 250, 247, 0.5); }
.meta-row strong { color: #FAFAF7; font-weight: 600; font-family: 'Manrope', sans-serif; }

.about-text .section-tag {
  color: var(--yellow);
  border-color: rgba(255, 204, 0, 0.3);
  background: rgba(255, 204, 0, 0.05);
}
.about-text .section-title { color: #FAFAF7; }
.about-bio {
  font-size: 16px;
  line-height: 1.8;
  color: rgba(250, 250, 247, 0.72);
  margin: 24px 0 40px;
}
.about-bio p { margin: 0 0 16px; }
.about-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 36px;
}
.about-item {
  border-left: 2px solid var(--yellow);
  padding: 4px 0 4px 14px;
}
.about-num {
  font-family: 'Manrope', sans-serif;
  font-size: 28px;
  font-weight: 800;
  color: #FAFAF7;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}
.about-cap {
  font-size: 12px;
  color: rgba(250, 250, 247, 0.5);
  line-height: 1.5;
}
.about-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ---------- Yandex 优势 ---------- */
.section-why { background: var(--paper-2); }
.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 80px;
}
.why-card {
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 32px 26px;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}
.why-card:hover {
  transform: translateY(-3px);
  border-color: var(--ink);
}
.why-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  font-weight: 600;
  color: var(--yellow-deep);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}
.why-card h3 {
  font-family: 'Manrope', sans-serif;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 10px;
  color: var(--ink);
}
.why-card p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-2);
  margin: 0;
}

.compare {
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 40px;
  box-shadow: var(--shadow-sm);
}
.compare-title {
  font-family: 'Manrope', sans-serif;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 24px;
  color: var(--ink);
}
.compare-table {
  display: flex;
  flex-direction: column;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--line);
}
.compare-row {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1fr;
  font-size: 14px;
}
.compare-row > div {
  padding: 16px 20px;
  border-right: 1px solid var(--line);
  display: flex;
  align-items: center;
}
.compare-row > div:last-child { border-right: 0; }
.compare-head {
  background: var(--ink);
  color: #FAFAF7;
  font-family: 'Manrope', sans-serif;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.04em;
}
.compare-row:not(.compare-head) { border-top: 1px solid var(--line); }
.compare-row:not(.compare-head):nth-child(even) { background: rgba(14, 14, 16, 0.02); }
.compare-row .hl {
  color: var(--ink);
  font-weight: 700;
  font-family: 'Manrope', sans-serif;
  background: rgba(255, 204, 0, 0.15);
  position: relative;
}
.compare-row .hl::before {
  content: "★";
  color: var(--yellow-deep);
  margin-right: 6px;
}

/* ---------- 流程 ---------- */
.section-process { background: var(--paper); }
.process-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  counter-reset: step;
}
.process-step {
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 32px 28px;
  position: relative;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}
.process-step:hover {
  transform: translateY(-3px);
  border-color: var(--ink);
}
.step-num {
  font-family: 'Manrope', sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: var(--yellow-deep);
  letter-spacing: 0.1em;
  padding: 6px 12px;
  background: rgba(255, 204, 0, 0.12);
  border-radius: 6px;
  display: inline-block;
  margin-bottom: 16px;
}
.process-step h3 {
  font-family: 'Manrope', sans-serif;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 10px;
  color: var(--ink);
}
.process-step p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-2);
  margin: 0;
}

/* ---------- 价格 ---------- */
.section-price { background: var(--paper-2); }
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}
.price-card {
  position: relative;
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}
.price-card:hover {
  transform: translateY(-4px);
  border-color: var(--ink);
}
.price-card-hot {
  background: var(--ink);
  color: #FAFAF7;
  border-color: var(--ink);
  transform: scale(1.03);
  box-shadow: var(--shadow-lg);
}
.price-card-hot:hover { transform: scale(1.03) translateY(-4px); }
.price-ribbon {
  position: absolute;
  top: -12px; left: 32px;
  background: var(--yellow);
  color: var(--ink);
  font-family: 'Manrope', sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 6px 14px;
  border-radius: 999px;
}
.price-name {
  font-family: 'Manrope', sans-serif;
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}
.price-cap {
  font-size: 14px;
  color: var(--text-3);
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px dashed var(--line);
}
.price-card-hot .price-cap {
  color: rgba(250, 250, 247, 0.5);
  border-bottom-color: rgba(255, 255, 255, 0.1);
}
.price-list {
  list-style: none;
  padding: 0;
  margin: 0 0 28px;
  flex: 1;
}
.price-list li {
  font-size: 14px;
  line-height: 1.6;
  padding: 9px 0 9px 26px;
  position: relative;
  color: var(--text-2);
}
.price-card-hot .price-list li { color: rgba(250, 250, 247, 0.85); }
.price-list li::before {
  content: "";
  position: absolute;
  left: 0; top: 14px;
  width: 14px; height: 14px;
  background: var(--yellow);
  border-radius: 50%;
  opacity: 0.4;
}
.price-list li::after {
  content: "✓";
  position: absolute;
  left: 3px; top: 12px;
  font-size: 10px;
  color: var(--ink);
  font-weight: 800;
}
.price-card-hot .btn-primary {
  background: var(--yellow);
  color: var(--ink);
}
.price-card-hot .btn-ghost {
  border-color: rgba(255, 255, 255, 0.24);
  color: #FAFAF7;
}

/* ---------- FAQ ---------- */
.section-faq { background: var(--paper); }
.faq-list {
  max-width: 880px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 0.3s var(--ease);
}
.faq-item[open] { border-color: var(--ink); }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-family: 'Manrope', sans-serif;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.005em;
  color: var(--ink);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-icon {
  width: 24px; height: 24px;
  position: relative;
  flex-shrink: 0;
}
.faq-icon::before, .faq-icon::after {
  content: "";
  position: absolute;
  background: var(--ink);
  transition: transform 0.3s var(--ease);
}
.faq-icon::before {
  left: 4px; top: 11px;
  width: 16px; height: 2px;
}
.faq-icon::after {
  left: 11px; top: 4px;
  width: 2px; height: 16px;
}
.faq-item[open] .faq-icon::after { transform: rotate(90deg); }
.faq-a {
  padding: 0 28px 24px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-2);
  border-top: 1px dashed var(--line);
  margin-top: 4px;
  padding-top: 18px;
}

/* ---------- 服务矩阵 ---------- */
.section-matrix { background: var(--paper-2); }
.matrix-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}
.matrix-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px;
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-family: 'Manrope', sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  transition: transform 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
  min-height: 56px;
}
.matrix-item:hover {
  transform: translateY(-2px);
  background: var(--ink);
  color: var(--paper) !important;
  border-color: var(--ink);
}
.matrix-item i {
  font-style: normal;
  color: var(--text-3);
  font-size: 13px;
  transition: color 0.2s var(--ease), transform 0.2s var(--ease);
}
.matrix-item:hover i {
  color: var(--yellow);
  transform: translate(2px, -2px);
}
.matrix-item-current {
  background: var(--ink);
  color: var(--paper) !important;
  border-color: var(--ink);
}
.matrix-item-current i { color: var(--yellow); }
.matrix-item-current:hover {
  background: var(--yellow);
  color: var(--ink) !important;
}
.matrix-item-current:hover i { color: var(--ink); }

/* ---------- 联系 ---------- */
.section-contact { background: var(--paper); }
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 60px;
}
.contact-card {
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 32px 28px;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
  cursor: pointer;
}
.contact-card:hover {
  transform: translateY(-4px);
  border-color: var(--ink);
}
.contact-ico {
  width: 48px; height: 48px;
  border-radius: 10px;
  background: var(--ink);
  color: var(--yellow);
  display: flex;
  align-items: center;
  justify-content: center;
}
.contact-label {
  font-size: 13px;
  color: var(--text-3);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-family: 'Manrope', sans-serif;
  font-weight: 600;
}
.contact-value {
  font-family: 'Manrope', sans-serif;
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.contact-tip {
  font-size: 13px;
  color: var(--text-3);
  margin-top: auto;
}

.qr-row {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 48px;
  align-items: center;
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 40px;
}
.qr-card {
  margin: 0;
  text-align: center;
}
.qr-img {
  width: 220px; height: 220px;
  margin: 0 auto 16px;
  background: var(--paper-2);
  border-radius: 12px;
  padding: 10px;
  border: 1px solid var(--line);
}
.qr-img img { width: 100%; height: 100%; object-fit: contain; border-radius: 6px; }
.qr-card figcaption {
  font-size: 13px;
  color: var(--text-2);
  font-family: 'Manrope', sans-serif;
}
.qr-text h3 {
  font-family: 'Manrope', sans-serif;
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
  color: var(--ink);
}
.qr-text p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-2);
  margin: 0 0 18px;
}
.qr-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.qr-tags span {
  font-size: 12px;
  font-family: 'Manrope', sans-serif;
  font-weight: 600;
  padding: 6px 12px;
  background: var(--ink);
  color: var(--yellow);
  border-radius: 6px;
  letter-spacing: 0.02em;
}

/* ---------- 底部 ---------- */
.footer {
  background: var(--ink);
  color: rgba(250, 250, 247, 0.7);
  padding: 80px 0 0;
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 60px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-brand .logo { color: #FAFAF7; margin-bottom: 20px; }
.footer-brand .logo-sub { color: var(--yellow); }
.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(250, 250, 247, 0.6);
  margin: 0 0 22px;
  max-width: 380px;
}
.footer-contact { display: flex; flex-direction: column; gap: 8px; font-size: 14px; }
.footer-contact a { color: rgba(250, 250, 247, 0.8); }
.footer-contact a:hover { color: var(--yellow); }
.footer-col h4 {
  font-family: 'Manrope', sans-serif;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--yellow);
  text-transform: uppercase;
  margin: 0 0 20px;
}
.footer-col a {
  display: block;
  font-size: 14px;
  color: rgba(250, 250, 247, 0.7);
  padding: 6px 0;
}
.footer-col a:hover { color: #FAFAF7; }
.footer-bottom {
  padding: 24px 0;
  font-size: 13px;
  color: rgba(250, 250, 247, 0.5);
}
.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.footer-bottom a { color: rgba(250, 250, 247, 0.7); }
.footer-bottom a:hover { color: var(--yellow); }

/* ---------- 悬浮 CTA ---------- */
.float-cta {
  position: fixed;
  right: 24px;
  bottom: 24px;
  background: var(--yellow);
  color: var(--ink);
  padding: 14px 22px;
  border-radius: 999px;
  font-family: 'Manrope', sans-serif;
  font-size: 14px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 8px 24px rgba(255, 204, 0, 0.3), 0 0 0 1px rgba(0, 0, 0, 0.05);
  z-index: 40;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.float-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 32px rgba(255, 204, 0, 0.4), 0 0 0 1px rgba(0, 0, 0, 0.05);
  color: var(--ink);
}

/* ---------- 滚动入场动画 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
.reveal.is-in {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .process-list { grid-template-columns: repeat(2, 1fr); }
  .price-grid { grid-template-columns: 1fr; }
  .price-card-hot { transform: none; }
  .price-card-hot:hover { transform: translateY(-4px); }
  .matrix-grid { grid-template-columns: repeat(4, 1fr); }
  .about-inner { grid-template-columns: 1fr; gap: 48px; }
  .about-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .qr-row { grid-template-columns: 1fr; text-align: center; }
  .qr-tags { justify-content: center; }
  .compare-row { font-size: 13px; }
  .compare-row > div { padding: 12px 14px; }
}

@media (max-width: 768px) {
  .section { padding: 80px 0; }
  .section-head { margin-bottom: 48px; }
  .nav-links, .nav-cta { display: none; }
  .nav-burger { display: flex; }
  .nav.is-open .nav-links {
    display: flex;
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--paper);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px;
    gap: 16px;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md);
  }
  .nav.is-open .nav-cta {
    display: inline-flex;
    position: absolute;
    top: calc(100% + 220px);
    left: 24px;
  }
  .hero { padding: 60px 0 80px; }
  .hero-card-body { gap: 12px; }
  .metric-value { font-size: 26px; }
  .services-grid, .why-grid, .process-list, .contact-grid { grid-template-columns: 1fr; }
  .matrix-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr; gap: 40px; }
  .footer-bottom-inner { flex-direction: column; align-items: flex-start; }
  .compare { padding: 24px 16px; }
  .compare-row { grid-template-columns: 1.4fr 1fr 1fr 1fr; }
  .compare-row > div { padding: 10px 8px; font-size: 12px; }
  .float-cta { padding: 12px 18px; font-size: 13px; }
  .float-cta span { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}