/* ===================================================================
   闫宝龙®小红书代运营 - 营销网站样式
   设计语言：现代极简 + 小红书品牌色 + 大气留白
   =================================================================== */

:root {
  --xhs-red: #FF2442;
  --xhs-red-dark: #E51D3A;
  --xhs-red-light: #FFE5EA;
  --xhs-pink: #FF8E9E;
  --ink: #0F0F12;
  --ink-2: #1A1A1F;
  --gray-900: #1F2024;
  --gray-700: #4A4D55;
  --gray-500: #7C8088;
  --gray-300: #D6D8DC;
  --gray-100: #F4F5F7;
  --gray-50: #FAFAFA;
  --warm: #F5E6D3;
  --bg: #FFFFFF;
  --line: rgba(15, 15, 18, 0.08);
  --shadow-sm: 0 2px 8px rgba(15, 15, 18, 0.04);
  --shadow-md: 0 8px 24px rgba(15, 15, 18, 0.06);
  --shadow-lg: 0 20px 60px rgba(15, 15, 18, 0.1);
  --shadow-red: 0 12px 32px rgba(255, 36, 66, 0.25);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, "PingFang SC", "Helvetica Neue", "Microsoft YaHei", "Source Han Sans CN", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ---------- 字体 ---------- */
.font-display { font-family: "PingFang SC", "Source Han Sans CN", "Microsoft YaHei", sans-serif; font-weight: 800; letter-spacing: -0.02em; }
.font-num { font-family: "Sora", "Inter", "Helvetica Neue", sans-serif; font-feature-settings: "tnum"; }

/* ---------- 通用 ---------- */
a { color: inherit; text-decoration: none; transition: color 0.25s var(--ease); }
a:hover { color: var(--xhs-red); }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 32px; }
@media (max-width: 768px) { .container { padding: 0 20px; } }

.section { padding: 120px 0; position: relative; }
@media (max-width: 768px) { .section { padding: 72px 0; } }
.section-eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; color: var(--xhs-red);
  text-transform: uppercase; letter-spacing: 0.16em;
  margin-bottom: 20px;
}
.section-eyebrow::before { content: ""; width: 24px; height: 1.5px; background: var(--xhs-red); }
.section-title { font-size: clamp(32px, 4vw, 52px); font-weight: 800; line-height: 1.18; color: var(--ink); margin-bottom: 20px; letter-spacing: -0.02em; }
.section-subtitle { font-size: 17px; color: var(--gray-700); max-width: 720px; line-height: 1.75; }
.section-header { max-width: 800px; margin-bottom: 64px; }
@media (max-width: 768px) { .section-header { margin-bottom: 40px; } }

/* ---------- 按钮 ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 32px; border-radius: 999px; font-size: 15px; font-weight: 600; transition: all 0.3s var(--ease); white-space: nowrap; }
.btn-primary { background: var(--xhs-red); color: #fff; box-shadow: var(--shadow-red); }
.btn-primary:hover { background: var(--xhs-red-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 16px 40px rgba(255, 36, 66, 0.35); }
.btn-ghost { background: rgba(255, 255, 255, 0.12); color: #fff; backdrop-filter: blur(12px); border: 1px solid rgba(255, 255, 255, 0.25); }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.22); color: #fff; }
.btn-line { background: #fff; color: var(--ink); border: 1.5px solid var(--line); }
.btn-line:hover { border-color: var(--xhs-red); color: var(--xhs-red); }

/* ===================================================================
   导航栏 + Banner 一体区
   =================================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  background: linear-gradient(135deg, #1A0509 0%, #2D0A10 40%, #4A0A15 75%, #FF2442 130%);
  color: #fff;
  overflow: hidden;
  isolation: isolate;
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(800px 600px at 20% 30%, rgba(255, 36, 66, 0.35), transparent 60%),
    radial-gradient(600px 500px at 85% 70%, rgba(255, 142, 158, 0.28), transparent 60%),
    radial-gradient(400px 400px at 60% 10%, rgba(255, 200, 50, 0.12), transparent 70%);
  z-index: 1;
  pointer-events: none;
}
.hero::after {
  content: "";
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.5 0'/></filter><rect width='100%' height='100%' filter='url(%23n)' opacity='0.5'/></svg>");
  opacity: 0.06; mix-blend-mode: overlay; z-index: 2; pointer-events: none;
}
.hero-grain {
  position: absolute; right: -10%; top: 10%; width: 720px; height: 720px;
  background: radial-gradient(circle, rgba(255, 142, 158, 0.4), transparent 60%);
  filter: blur(60px); z-index: 1; animation: floatGlow 14s ease-in-out infinite;
}
@keyframes floatGlow {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(-30px, 40px) scale(1.1); }
}

/* 导航 */
.nav {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px 0;
  transition: all 0.35s var(--ease);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 28px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all 0.35s var(--ease);
}
.nav.scrolled .nav-inner {
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-md);
  padding: 8px 20px;
}
.nav-logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 19px; color: #fff; }
.nav.scrolled .nav-logo { color: var(--ink); }
.nav-logo-mark {
  width: 36px; height: 36px; border-radius: 10px;
  background: linear-gradient(135deg, #FF2442, #FF6B7E);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 900; font-size: 16px;
  box-shadow: 0 4px 14px rgba(255, 36, 66, 0.4);
}
.nav-logo-text { display: flex; align-items: center; gap: 8px; }
.nav-logo-text .name { font-size: 19px; }
.nav-logo-text .reg {
  font-size: 9px; font-weight: 700; padding: 1px 4px;
  border-radius: 4px; background: rgba(255, 255, 255, 0.18);
  color: #fff; vertical-align: super; line-height: 1;
}
.nav.scrolled .nav-logo-text .reg { background: var(--xhs-red); color: #fff; }
.nav-logo-text .divider { opacity: 0.4; font-weight: 300; }
.nav-logo-text .biz { font-size: 14px; font-weight: 500; opacity: 0.85; }

.nav-menu { display: flex; align-items: center; gap: 4px; }
.nav-link {
  padding: 8px 16px; font-size: 14.5px; font-weight: 500;
  color: rgba(255, 255, 255, 0.85); border-radius: 999px;
  transition: all 0.25s var(--ease);
}
.nav.scrolled .nav-link { color: var(--gray-700); }
.nav-link:hover { color: #fff; background: rgba(255, 255, 255, 0.12); }
.nav.scrolled .nav-link:hover { color: var(--xhs-red); background: var(--xhs-red-light); }
.nav-cta {
  padding: 10px 22px; border-radius: 999px;
  background: var(--xhs-red); color: #fff !important;
  font-size: 14px; font-weight: 600;
  box-shadow: var(--shadow-red);
  display: inline-flex; align-items: center; gap: 6px;
}
.nav-cta:hover { background: var(--xhs-red-dark); transform: translateY(-1px); }

.nav-toggle { display: none; }

/* Hero 内容 */
.hero-content {
  position: relative; z-index: 5;
  min-height: calc(100vh - 80px);
  display: flex; flex-direction: column; justify-content: center;
  padding: 120px 0 80px;
}
.hero-tag {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 18px; border-radius: 999px;
  background: rgba(255, 255, 255, 0.08); border: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 13.5px; font-weight: 500; color: rgba(255, 255, 255, 0.92);
  margin-bottom: 32px; backdrop-filter: blur(10px);
  width: fit-content;
}
.hero-tag-dot { width: 8px; height: 8px; border-radius: 50%; background: #4ADE80; box-shadow: 0 0 12px #4ADE80; animation: pulseDot 2s ease-in-out infinite; }
@keyframes pulseDot { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.5; transform: scale(1.2); } }

.hero h1 {
  font-size: clamp(40px, 6.5vw, 88px);
  line-height: 1.05; font-weight: 900; letter-spacing: -0.035em;
  margin-bottom: 28px; max-width: 1000px;
}
.hero h1 .accent {
  background: linear-gradient(135deg, #FFD700, #FF8E9E 50%, #fff);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero h1 .underline-mark {
  position: relative; display: inline-block; white-space: nowrap;
}
.hero h1 .underline-mark::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 4px;
  height: 12px; background: rgba(255, 36, 66, 0.6); z-index: -1;
  border-radius: 2px;
}

.hero-desc {
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.75; color: rgba(255, 255, 255, 0.78);
  max-width: 640px; margin-bottom: 44px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; margin-bottom: 64px; }
.hero-trust { display: flex; align-items: center; gap: 32px; flex-wrap: wrap; }
.hero-trust-item { display: flex; align-items: center; gap: 10px; color: rgba(255, 255, 255, 0.7); font-size: 14px; }
.hero-trust-item .num { font-size: 28px; font-weight: 800; color: #fff; line-height: 1; }
.hero-trust-item .lbl { font-size: 12px; color: rgba(255, 255, 255, 0.55); }

/* 装饰元素 */
.hero-deco {
  position: absolute; right: 6%; top: 50%; transform: translateY(-50%);
  width: 380px; height: 380px; z-index: 3;
  display: none;
}
@media (min-width: 1280px) { .hero-deco { display: block; } }
.hero-deco-card {
  position: absolute; border-radius: 24px; overflow: hidden;
  background: rgba(255, 255, 255, 0.08); backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
  animation: float 6s ease-in-out infinite;
}
.hero-deco-card.c1 { width: 240px; height: 320px; right: 0; top: 0; transform: rotate(6deg); animation-delay: 0s; }
.hero-deco-card.c2 { width: 200px; height: 240px; right: 100px; top: 140px; transform: rotate(-8deg); animation-delay: 1s; }
.hero-deco-card.c3 { width: 160px; height: 200px; right: 200px; top: 30px; transform: rotate(3deg); animation-delay: 2s; }
@keyframes float { 0%, 100% { transform: translateY(0) rotate(var(--rot, 0deg)); } 50% { transform: translateY(-20px) rotate(var(--rot, 0deg)); } }
.hero-deco-card .cover {
  height: 60%; background: linear-gradient(135deg, #FF2442, #FF8E9E);
  position: relative; overflow: hidden;
}
.hero-deco-card .cover::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.4), transparent 50%);
}
.hero-deco-card .body { padding: 12px 14px; }
.hero-deco-card .title { font-size: 12px; font-weight: 700; color: #fff; margin-bottom: 4px; }
.hero-deco-card .meta { font-size: 10px; color: rgba(255, 255, 255, 0.6); }
.hero-deco-card .stats { display: flex; gap: 8px; margin-top: 8px; font-size: 9px; color: rgba(255, 255, 255, 0.7); }
.hero-deco-card .stats span { display: inline-flex; align-items: center; gap: 3px; }

.scroll-indicator {
  position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%);
  z-index: 5; color: rgba(255, 255, 255, 0.6); font-size: 12px;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
}
.scroll-line { width: 1px; height: 30px; background: linear-gradient(to bottom, rgba(255, 255, 255, 0.6), transparent); animation: scrollLine 2s ease-in-out infinite; }
@keyframes scrollLine { 0% { transform: scaleY(0); transform-origin: top; } 50% { transform: scaleY(1); transform-origin: top; } 51% { transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* ===================================================================
   通用板块
   =================================================================== */

/* ---------- 服务 ---------- */
.services { background: var(--gray-50); }
.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
@media (max-width: 1024px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .services-grid { grid-template-columns: 1fr; } }
.service-card {
  background: #fff; border-radius: var(--radius-lg); padding: 32px 28px;
  border: 1.5px solid var(--line); transition: all 0.4s var(--ease);
  position: relative; overflow: hidden;
}
.service-card::before {
  content: ""; position: absolute; left: 0; top: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--xhs-red), var(--xhs-pink));
  transform: scaleX(0); transform-origin: left; transition: transform 0.5s var(--ease);
}
.service-card:hover { transform: translateY(-8px); border-color: var(--xhs-red); box-shadow: 0 24px 60px rgba(255, 36, 66, 0.12); }
.service-card:hover::before { transform: scaleX(1); }
.service-icon {
  width: 56px; height: 56px; border-radius: 14px;
  background: linear-gradient(135deg, var(--xhs-red-light), #fff);
  color: var(--xhs-red); display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px; transition: all 0.3s var(--ease);
}
.service-card:hover .service-icon { background: var(--xhs-red); color: #fff; transform: scale(1.05) rotate(-4deg); }
.service-icon svg { width: 28px; height: 28px; stroke-width: 1.6; }
.service-card h3 { font-size: 19px; font-weight: 700; margin-bottom: 10px; letter-spacing: -0.01em; }
.service-card p { font-size: 14.5px; color: var(--gray-700); line-height: 1.7; }

/* ---------- 流程 ---------- */
.process { background: #fff; }
.process-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; position: relative; }
@media (max-width: 1024px) { .process-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 600px) { .process-grid { grid-template-columns: repeat(2, 1fr); } }
.process-line { position: absolute; top: 36px; left: 8%; right: 8%; height: 1.5px; background: repeating-linear-gradient(to right, var(--gray-300) 0 6px, transparent 6px 12px); z-index: 0; }
@media (max-width: 1024px) { .process-line { display: none; } }
.process-step { text-align: center; position: relative; z-index: 1; }
.process-num {
  width: 72px; height: 72px; border-radius: 50%;
  background: #fff; border: 2px solid var(--gray-300);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; font-weight: 800; color: var(--gray-500);
  margin: 0 auto 18px; transition: all 0.4s var(--ease);
  position: relative;
}
.process-step:hover .process-num { background: var(--xhs-red); border-color: var(--xhs-red); color: #fff; transform: scale(1.1); box-shadow: 0 12px 30px rgba(255, 36, 66, 0.3); }
.process-step h4 { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.process-step p { font-size: 13px; color: var(--gray-500); line-height: 1.6; }

/* ---------- 案例 ---------- */
.cases { background: var(--ink); color: #fff; }
.cases .section-eyebrow { color: var(--xhs-pink); }
.cases .section-eyebrow::before { background: var(--xhs-pink); }
.cases .section-title { color: #fff; }
.cases .section-subtitle { color: rgba(255, 255, 255, 0.6); }
.cases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 1024px) { .cases-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .cases-grid { grid-template-columns: 1fr; } }
.case-card {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  background: var(--gray-900); aspect-ratio: 4 / 5;
  cursor: pointer; transition: transform 0.4s var(--ease);
}
.case-card:hover { transform: translateY(-6px); }
.case-cover { position: absolute; inset: 0; transition: transform 0.6s var(--ease); }
.case-card:hover .case-cover { transform: scale(1.08); }
.case-grad-1 { background: linear-gradient(135deg, #FF2442 0%, #FF6B7E 50%, #FFB4BE 100%); }
.case-grad-2 { background: linear-gradient(135deg, #1A1A1F 0%, #4A0A15 50%, #FF2442 100%); }
.case-grad-3 { background: linear-gradient(135deg, #FF8E9E 0%, #FFD3D9 50%, #FFE5EA 100%); }
.case-grad-4 { background: linear-gradient(135deg, #2D0A10 0%, #FF2442 60%, #FFD700 100%); }
.case-grad-5 { background: linear-gradient(160deg, #FF2442 0%, #1A0509 100%); }
.case-grad-6 { background: linear-gradient(135deg, #FFD700 0%, #FF8E9E 50%, #FF2442 100%); }
.case-icon {
  position: absolute; top: 20px; left: 20px; width: 48px; height: 48px;
  border-radius: 12px; background: rgba(255, 255, 255, 0.18); backdrop-filter: blur(10px);
  display: flex; align-items: center; justify-content: center; color: #fff;
}
.case-icon svg { width: 24px; height: 24px; stroke-width: 1.8; }
.case-stats {
  position: absolute; top: 20px; right: 20px; display: flex; flex-direction: column; gap: 6px;
}
.case-stat {
  padding: 4px 10px; border-radius: 999px;
  background: rgba(0, 0, 0, 0.4); backdrop-filter: blur(10px);
  font-size: 11px; color: #fff; display: flex; align-items: center; gap: 4px;
}
.case-stat .v { font-weight: 800; color: #FFD700; }
.case-info {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 60px 24px 24px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.4) 60%, transparent 100%);
}
.case-tag { font-size: 12px; color: var(--xhs-pink); font-weight: 600; margin-bottom: 8px; letter-spacing: 0.08em; }
.case-title { font-size: 20px; font-weight: 700; line-height: 1.35; margin-bottom: 10px; }
.case-desc { font-size: 13.5px; color: rgba(255, 255, 255, 0.7); line-height: 1.6; }

/* ---------- 数据 ---------- */
.stats { background: linear-gradient(135deg, #FF2442 0%, #C81D3A 100%); color: #fff; position: relative; overflow: hidden; padding: 100px 0; }
.stats::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(500px 400px at 20% 50%, rgba(255, 255, 255, 0.18), transparent 60%),
    radial-gradient(400px 400px at 80% 50%, rgba(255, 215, 0, 0.2), transparent 60%);
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; position: relative; }
@media (max-width: 768px) { .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 40px 20px; } }
.stat-item { text-align: center; }
.stat-num { font-size: clamp(40px, 5.5vw, 72px); font-weight: 900; line-height: 1; letter-spacing: -0.04em; margin-bottom: 8px; }
.stat-num .unit { font-size: 0.5em; font-weight: 700; margin-left: 4px; }
.stat-lbl { font-size: 14.5px; color: rgba(255, 255, 255, 0.85); }

/* ---------- 关于闫宝龙 ---------- */
.about { background: var(--gray-50); }
.about-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 80px; align-items: center; }
@media (max-width: 1024px) { .about-grid { grid-template-columns: 1fr; gap: 48px; } }
.about-photo {
  position: relative; aspect-ratio: 4/5; border-radius: var(--radius-xl); overflow: hidden;
  background: linear-gradient(135deg, #FF2442 0%, #4A0A15 100%);
  box-shadow: var(--shadow-lg);
}
.about-photo img { width: 100%; height: 100%; object-fit: cover; }
.about-photo::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.3) 0%, transparent 50%);
}
.about-photo-badge {
  position: absolute; bottom: 24px; left: 24px; right: 24px;
  background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(12px);
  padding: 16px 20px; border-radius: 16px;
  display: flex; align-items: center; gap: 14px; z-index: 1;
}
.about-photo-badge .ico { width: 44px; height: 44px; border-radius: 12px; background: var(--xhs-red); color: #fff; display: flex; align-items: center; justify-content: center; }
.about-photo-badge .t1 { font-size: 14px; font-weight: 700; color: var(--ink); }
.about-photo-badge .t2 { font-size: 12px; color: var(--gray-500); }
.about-float-card {
  position: absolute; top: 24px; right: -20px;
  background: #fff; padding: 14px 18px; border-radius: 16px;
  box-shadow: var(--shadow-md); display: flex; align-items: center; gap: 12px;
  z-index: 2;
}
.about-float-card .n { font-size: 28px; font-weight: 800; color: var(--xhs-red); line-height: 1; }
.about-float-card .l { font-size: 12px; color: var(--gray-500); }
@media (max-width: 1024px) { .about-float-card { right: 16px; } }
.about-content .section-eyebrow { margin-bottom: 16px; }
.about-content h2 { font-size: clamp(30px, 3.5vw, 44px); font-weight: 800; line-height: 1.22; margin-bottom: 24px; letter-spacing: -0.02em; }
.about-content h2 .red { color: var(--xhs-red); }
.about-text p { font-size: 15.5px; color: var(--gray-700); line-height: 1.85; margin-bottom: 16px; }
.about-tags { display: flex; flex-wrap: wrap; gap: 10px; margin: 24px 0 32px; }
.about-tag {
  padding: 7px 14px; border-radius: 999px;
  background: #fff; border: 1.5px solid var(--line);
  font-size: 13px; font-weight: 600; color: var(--ink);
  display: inline-flex; align-items: center; gap: 6px;
}
.about-tag::before { content: "✓"; color: var(--xhs-red); font-weight: 800; }
.about-meta { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 8px; }
.about-meta-item { display: flex; align-items: flex-start; gap: 12px; padding: 16px; background: #fff; border-radius: 14px; border: 1px solid var(--line); }
.about-meta-ico { width: 38px; height: 38px; border-radius: 10px; background: var(--xhs-red-light); color: var(--xhs-red); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.about-meta-ico svg { width: 18px; height: 18px; }
.about-meta-item .t { font-size: 14px; font-weight: 700; margin-bottom: 2px; }
.about-meta-item .d { font-size: 12.5px; color: var(--gray-500); }

/* ---------- 报价 ---------- */
.pricing { background: #fff; }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: stretch; }
@media (max-width: 1024px) { .pricing-grid { grid-template-columns: 1fr; } }
.price-card {
  background: #fff; border: 2px solid var(--line); border-radius: var(--radius-xl);
  padding: 40px 32px; transition: all 0.4s var(--ease); position: relative;
  display: flex; flex-direction: column;
}
.price-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.price-card.featured { border-color: var(--xhs-red); background: linear-gradient(180deg, #FFF8F9 0%, #fff 40%); }
.price-card.featured::before {
  content: "★ 推荐"; position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--xhs-red); color: #fff; font-size: 12px; font-weight: 700;
  padding: 6px 18px; border-radius: 999px; letter-spacing: 0.05em;
}
.price-name { font-size: 14px; font-weight: 600; color: var(--gray-500); text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 12px; }
.price-amount { display: flex; align-items: baseline; gap: 6px; margin-bottom: 8px; }
.price-amount .y { font-size: 18px; color: var(--gray-500); font-weight: 600; }
.price-amount .v { font-size: 44px; font-weight: 900; color: var(--ink); letter-spacing: -0.02em; }
.price-amount .u { font-size: 14px; color: var(--gray-500); }
.price-card.featured .price-amount .v { color: var(--xhs-red); }
.price-tag { font-size: 14px; color: var(--gray-700); margin-bottom: 28px; padding-bottom: 24px; border-bottom: 1px dashed var(--line); }
.price-features { list-style: none; flex: 1; margin-bottom: 32px; }
.price-features li { display: flex; align-items: flex-start; gap: 10px; font-size: 14.5px; color: var(--gray-700); padding: 8px 0; line-height: 1.6; }
.price-features li::before { content: "✓"; color: var(--xhs-red); font-weight: 800; flex-shrink: 0; }
.price-features li.disabled { color: var(--gray-300); }
.price-features li.disabled::before { content: "·"; color: var(--gray-300); }

/* ---------- FAQ ---------- */
.faq { background: var(--gray-50); }
.faq-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
@media (max-width: 1024px) { .faq-list { grid-template-columns: 1fr; } }
.faq-item {
  background: #fff; border: 1.5px solid var(--line); border-radius: 16px;
  overflow: hidden; transition: all 0.3s var(--ease);
}
.faq-item:hover { border-color: var(--xhs-pink); }
.faq-item.open { border-color: var(--xhs-red); background: linear-gradient(180deg, #FFF8F9 0%, #fff 30%); }
.faq-q {
  width: 100%; padding: 22px 24px; display: flex; align-items: center; justify-content: space-between;
  gap: 16px; text-align: left; font-size: 15.5px; font-weight: 700; color: var(--ink);
  line-height: 1.5; transition: color 0.25s var(--ease);
}
.faq-item.open .faq-q { color: var(--xhs-red); }
.faq-toggle {
  width: 28px; height: 28px; border-radius: 50%; border: 1.5px solid var(--line);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
  transition: all 0.3s var(--ease); color: var(--gray-500);
  font-size: 18px; line-height: 1; font-weight: 300;
}
.faq-item.open .faq-toggle { background: var(--xhs-red); border-color: var(--xhs-red); color: #fff; transform: rotate(45deg); }
.faq-a {
  max-height: 0; overflow: hidden; transition: max-height 0.4s var(--ease);
  font-size: 14.5px; color: var(--gray-700); line-height: 1.8;
}
.faq-item.open .faq-a { max-height: 400px; }
.faq-a-inner { padding: 0 24px 22px; }

/* ---------- 联系方式 ---------- */
.contact { background: linear-gradient(135deg, #1A0509 0%, #2D0A10 100%); color: #fff; position: relative; overflow: hidden; }
.contact::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(600px 500px at 80% 30%, rgba(255, 36, 66, 0.25), transparent 60%);
}
.contact .section-eyebrow { color: var(--xhs-pink); }
.contact .section-eyebrow::before { background: var(--xhs-pink); }
.contact .section-title { color: #fff; }
.contact .section-subtitle { color: rgba(255, 255, 255, 0.7); }
.contact-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; position: relative; }
@media (max-width: 1024px) { .contact-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-card {
  background: rgba(255, 255, 255, 0.04); backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1); border-radius: var(--radius-lg);
  padding: 32px 24px; text-align: center; transition: all 0.3s var(--ease);
  display: block; color: #fff;
}
.contact-card:hover { background: rgba(255, 255, 255, 0.1); border-color: var(--xhs-pink); transform: translateY(-4px); color: #fff; }
.contact-ico {
  width: 56px; height: 56px; border-radius: 14px;
  background: linear-gradient(135deg, var(--xhs-red), var(--xhs-pink));
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 18px; color: #fff; box-shadow: var(--shadow-red);
}
.contact-ico svg { width: 26px; height: 26px; stroke-width: 1.6; }
.contact-card .lbl { font-size: 13px; color: rgba(255, 255, 255, 0.6); margin-bottom: 6px; letter-spacing: 0.05em; }
.contact-card .val { font-size: 19px; font-weight: 700; }
.contact-card .hint { font-size: 12px; color: rgba(255, 255, 255, 0.5); margin-top: 4px; }
.contact-qr { padding: 16px; }
.contact-qr img { width: 140px; height: 140px; border-radius: 8px; margin: 0 auto 12px; background: #fff; padding: 6px; }
.contact-qr .val { font-size: 15px; }

/* ===================================================================
   底部
   =================================================================== */
.footer { background: #0A0507; color: rgba(255, 255, 255, 0.7); padding: 80px 0 32px; }
.footer-services { display: grid; grid-template-columns: repeat(5, 1fr); gap: 40px 24px; padding-bottom: 56px; border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
@media (max-width: 1024px) { .footer-services { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 600px) { .footer-services { grid-template-columns: repeat(2, 1fr); gap: 24px 16px; } }
.footer-col h4 { color: #fff; font-size: 14px; font-weight: 700; margin-bottom: 16px; letter-spacing: 0.05em; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { font-size: 13.5px; color: rgba(255, 255, 255, 0.6); transition: all 0.25s var(--ease); display: inline-flex; align-items: center; gap: 6px; }
.footer-col a:hover { color: var(--xhs-pink); transform: translateX(2px); }
.footer-col a::before { content: "→"; opacity: 0; transition: opacity 0.25s var(--ease); }
.footer-col a:hover::before { opacity: 1; }

.footer-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; padding-top: 32px; }
.footer-bottom-left { font-size: 13.5px; line-height: 1.8; }
.footer-bottom-left a { color: var(--xhs-pink); }
.footer-bottom-left a:hover { color: #fff; }
.footer-bottom-right { font-size: 12.5px; color: rgba(255, 255, 255, 0.4); display: flex; gap: 20px; flex-wrap: wrap; }
.footer-bottom-right a { color: rgba(255, 255, 255, 0.5); }
.footer-bottom-right a:hover { color: var(--xhs-pink); }

/* ===================================================================
   动画
   =================================================================== */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal[data-delay="1"] { transition-delay: 0.08s; }
.reveal[data-delay="2"] { transition-delay: 0.16s; }
.reveal[data-delay="3"] { transition-delay: 0.24s; }
.reveal[data-delay="4"] { transition-delay: 0.32s; }
.reveal[data-delay="5"] { transition-delay: 0.4s; }
.reveal[data-delay="6"] { transition-delay: 0.48s; }
.reveal[data-delay="7"] { transition-delay: 0.56s; }

/* ===================================================================
   响应式
   =================================================================== */
@media (max-width: 768px) {
  .nav-menu, .nav-cta { display: none; }
  .nav-toggle { display: flex; width: 40px; height: 40px; border-radius: 999px; background: rgba(255, 255, 255, 0.12); align-items: center; justify-content: center; color: #fff; }
  .nav.scrolled .nav-toggle { background: var(--gray-100); color: var(--ink); }
  .nav-toggle span { display: block; width: 18px; height: 1.5px; background: currentColor; position: relative; }
  .nav-toggle span::before, .nav-toggle span::after { content: ""; position: absolute; left: 0; width: 18px; height: 1.5px; background: currentColor; }
  .nav-toggle span::before { top: -6px; }
  .nav-toggle span::after { top: 6px; }
  .nav-mobile-open .nav-menu { display: flex; flex-direction: column; align-items: stretch; position: absolute; top: 100%; left: 0; right: 0; margin-top: 12px; padding: 16px; background: rgba(255, 255, 255, 0.98); border-radius: 20px; box-shadow: var(--shadow-lg); }
  .nav-mobile-open .nav-link { color: var(--ink); padding: 12px 16px; }
  .nav-mobile-open .nav-link:hover { background: var(--xhs-red-light); color: var(--xhs-red); }
  .nav-mobile-open .nav-cta { display: inline-flex; align-items: center; justify-content: center; margin-top: 8px; }

  .hero-content { padding: 100px 0 60px; min-height: auto; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .hero-trust { gap: 20px; }
  .hero-trust-item .num { font-size: 22px; }
  .section { padding: 72px 0; }
}