```css
/* ==========================================================
   jm发布页 — “暖纸拼贴” 设计系统
   Warm Editorial Scrapbook System
   https://jmfabuye.net.cn
   ========================================================== */

/* 基础重置 */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  overflow-x: hidden;
  background: #FAF5EC;
  color: #2B2B2B;
  line-height: 1.7;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
}

::selection { background: #E85D48; color: #FFF; }

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: #F0E8DC; }
::-webkit-scrollbar-thumb { background: #E85D48; border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: #D64732; }

/* 全局噪点颗粒 */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  background: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.72' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.045'/%3E%3C/svg%3E");
  opacity: 0.4;
}

/* 容器 + 区块 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
}

.section { padding: 100px 0; position: relative; }

.section:nth-child(even):not(.hero) {
  background: #F2EAE0;
  background-image: radial-gradient(circle at 85% 15%, rgba(232,168,40,0.07) 0%, transparent 42%);
}

/* ────────────────────────────
   导航 / 顶部
   ──────────────────────────── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(250, 245, 236, 0.93);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(43, 43, 43, 0.07);
  box-shadow: 0 1px 24px rgba(43, 43, 43, 0.04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  font-size: 1.25rem;
  text-decoration: none;
  color: #2B2B2B;
  letter-spacing: -0.03em;
}

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 900;
  background: #E85D48;
  color: #FFF;
  transform: rotate(-8deg);
  box-shadow: 0 4px 14px rgba(232, 93, 72, 0.35);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.main-nav a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  color: #2B2B2B;
  transition: color 0.3s;
  position: relative;
  letter-spacing: 0.02em;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: #E85D48;
  border-radius: 2px;
  transition: width 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.main-nav a:hover { color: #E85D48; }
.main-nav a:hover::after { width: 100%; }

.nav-cta {
  padding: 10px 24px;
  border-radius: 50px;
  background: #E85D48;
  color: #FFF !important;
  font-weight: 700;
  box-shadow: 0 4px 16px rgba(232, 93, 72, 0.32);
  border: none;
  margin-left: 4px;
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.nav-cta::after { display: none; }

.nav-cta:hover {
  background: #D64732;
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(232, 93, 72, 0.42);
}

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  background: #F7D6CF;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
  transition: 0.3s;
}

.menu-toggle:hover { background: #F0C1B8; }

.menu-toggle span {
  width: 16px;
  height: 2px;
  background: #C04A32;
  border-radius: 2px;
  transition: 0.3s;
}

.menu-toggle.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ────────────────────────────
   Hero 首页
   ──────────────────────────── */
.hero {
  min-height: 78vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(170deg, #FAF5EC 0%, #F4EADD 100%);
}

/* 巨型 JM 水印字 */
.hero::before {
  content: 'JM';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 40vw;
  font-weight: 900;
  line-height: 1;
  color: rgba(43, 43, 43, 0.028);
  letter-spacing: -0.05em;
  pointer-events: none;
  white-space: nowrap;
  z-index: 0;
}

/* 装饰圆环 */
.hero::after {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 210px;
  height: 210px;
  border: 3px dashed rgba(232, 93, 72, 0.2);
  border-radius: 50%;
  z-index: 1;
}

.hero .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 64px;
  width: 100%;
  z-index: 2;
  padding-top: 120px;
  padding-bottom: 60px;
}

/* 浮动星星 */
.hero .container::after {
  content: '✦';
  position: absolute;
  top: 130px;
  right: 7%;
  font-size: 2.8rem;
  color: #E8A928;
  animation: floaty 4s ease-in-out infinite;
  opacity: 0.9;
  z-index: 1;
}

@keyframes floaty {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-14px) rotate(14deg); }
}

.hero-content {
  flex: 1.2;
  max-width: 700px;
  position: relative;
  z-index: 2;
  animation: fadeUp 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) both;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  padding: 7px 18px;
  border-radius: 50px;
  margin-bottom: 22px;
  background: #E85D48;
  color: #FFF;
  box-shadow: 0 4px 14px rgba(232, 93, 72, 0.35);
  text-transform: uppercase;
}

.hero-eyebrow::before {
  content: '●';
  margin-right: 8px;
  font-size: 0.45rem;
  vertical-align: middle;
  color: #E8A928;
}

.hero h1 {
  font-size: clamp(2.6rem, 5.2vw, 3.8rem);
  line-height: 1.12;
  font-weight: 900;
  margin-bottom: 24px;
  color: #2B2B2B;
  letter-spacing: -0.03em;
}

.hero h1 .text-accent {
  position: relative;
  display: inline-block;
  z-index: 1;
}

.hero h1 .text-accent::after {
  content: '';
  position: absolute;
  bottom: 6px;
  left: 2px;
  right: -2px;
  height: 12px;
  background: rgba(232, 168, 40, 0.4);
  border-radius: 4px;
  z-index: -1;
  transform: rotate(-1deg);
}

.hero p {
  font-size: 1.1rem;
  opacity: 0.8;
  max-width: 540px;
  margin-bottom: 36px;
  line-height: 1.9;
  border-left: 4px solid #E8A928;
  padding-left: 20px;
}

.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-image {
  flex: 1;
  max-width: 460px;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 16px 16px 0 rgba(232, 168, 40, 0.2), 0 8px 40px rgba(43, 43, 43, 0.1);
  transform: rotate(1.5deg);
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative;
  animation: fadeUp 0.8s 0.15s cubic-bezier(0.25, 0.46, 0.45, 0.94) both;
}

.hero-image:hover { transform: rotate(0deg) scale(1.01); }

.hero-image img {
  width: 100%;
  height: auto;
  display: block;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ────────────────────────────
   按钮
   ──────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  border: none;
  text-decoration: none;
  border-radius: 50px;
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  letter-spacing: 0.02em;
}

.btn-primary {
  background: #E85D48;
  color: #FFF;
  box-shadow: 0 6px 20px rgba(232, 93, 72, 0.35);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 32px rgba(232, 93, 72, 0.45);
}

.btn-outline {
  background: transparent;