/* ============================================
   千秋的元气补给站 · 样式表
   橙色飘带 × 明亮白底 元气少女风
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700;900&family=ZCOOL+KuaiLe&display=swap');

:root {
  --bg: #fffbf8;
  --bg-warm: #fff5f0;
  --bg-card: #ffffff;
  --orange: #ff6b35;
  --orange-light: #ff8c5a;
  --orange-pale: #fff0e8;
  --orange-rgb: 255, 107, 53;
  --yellow: #ffb800;
  --yellow-rgb: 255, 184, 0;
  --yellow-pale: #fff8e8;
  --cyan: #ff8c5a;
  --cyan-rgb: 255, 140, 90;
  --cyan-pale: #fff2eb;
  --pink: #ff7b7b;
  --pink-pale: #fff0f0;
  --text: #2d2d2d;
  --text-secondary: #6b6b6b;
  --text-muted: #999;
  --border: rgba(0,0,0,0.06);
  --border-orange: rgba(255,107,53,0.2);
  --shadow-sm: 0 2px 12px rgba(0,0,0,0.04);
  --shadow-md: 0 8px 30px rgba(0,0,0,0.06);
  --shadow-orange: 0 4px 20px rgba(255,107,53,0.15);
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --font-title: 'ZCOOL KuaiLe', 'Noto Sans SC', sans-serif;
  --font-body: 'Noto Sans SC', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  min-height: 100vh;
  line-height: 1.7;
}

/* ============================================
   橙色飘带背景装饰
   ============================================ */
.ribbon-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

/* 右上角大飘带 */
.ribbon-bg::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -80px;
  width: 600px;
  height: 300px;
  background: linear-gradient(135deg, var(--orange-pale) 0%, rgba(255,107,53,0.08) 50%, transparent 100%);
  transform: rotate(-12deg);
  border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
}

/* 左下角飘带 */
.ribbon-bg::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: -60px;
  width: 500px;
  height: 250px;
  background: linear-gradient(45deg, rgba(255,184,0,0.06) 0%, var(--yellow-pale) 50%, transparent 100%);
  transform: rotate(8deg);
  border-radius: 40% 60% 60% 40% / 60% 40% 60% 40%;
}

/* 飘带装饰元素 */
.ribbon-strip {
  position: fixed;
  z-index: 0;
  pointer-events: none;
}

.ribbon-strip.strip-1 {
  top: 25%;
  right: 0;
  width: 280px;
  height: 60px;
  background: linear-gradient(90deg, transparent, rgba(255,107,53,0.06), var(--orange-pale));
  border-radius: 0 60px 60px 0;
  transform: rotate(-3deg);
}

.ribbon-strip.strip-2 {
  top: 55%;
  left: 0;
  width: 200px;
  height: 50px;
  background: linear-gradient(270deg, transparent, rgba(255,184,0,0.06), var(--yellow-pale));
  border-radius: 60px 0 0 60px;
  transform: rotate(5deg);
}

.ribbon-strip.strip-3 {
  top: 75%;
  right: 0;
  width: 350px;
  height: 80px;
  background: linear-gradient(90deg, transparent, rgba(255,107,53,0.04), rgba(255,140,90,0.06));
  border-radius: 80px 0 0 80px;
  transform: rotate(-6deg);
}

/* 浮动圆形装饰 */
.ribbon-circle {
  position: fixed;
  border-radius: 50%;
  z-index: 0;
  pointer-events: none;
}

.ribbon-circle.c1 {
  width: 200px; height: 200px;
  top: 15%; left: -60px;
  background: radial-gradient(circle, rgba(255,107,53,0.05) 0%, transparent 70%);
}

.ribbon-circle.c2 {
  width: 160px; height: 160px;
  bottom: 20%; right: -40px;
  background: radial-gradient(circle, rgba(255,184,0,0.05) 0%, transparent 70%);
}

.ribbon-circle.c3 {
  width: 120px; height: 120px;
  top: 60%; left: 10%;
  background: radial-gradient(circle, rgba(255,140,90,0.04) 0%, transparent 70%);
}

/* ============================================
   导航栏
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 14px 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(255,251,248,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: all 0.35s;
}

.navbar.scrolled {
  background: rgba(255,255,255,0.92);
  border-bottom-color: rgba(255,107,53,0.1);
  box-shadow: 0 1px 20px rgba(0,0,0,0.04);
}

.nav-logo {
  font-family: var(--font-title);
  font-size: 1.5rem;
  color: var(--orange);
  letter-spacing: 2px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-logo .logo-bulb {
  display: inline-block;
  width: 26px; height: 26px;
  background: var(--yellow);
  border-radius: 50% 50% 50% 50% / 40% 40% 60% 60%;
  box-shadow: 0 0 12px rgba(255,184,0,0.5);
  animation: bulbBreathe 2s ease-in-out infinite;
  position: relative;
}

.nav-logo .logo-bulb::after {
  content: '';
  position: absolute;
  bottom: -3px; left: 50%;
  transform: translateX(-50%);
  width: 7px; height: 5px;
  background: #bbb;
  border-radius: 0 0 3px 3px;
}

@keyframes bulbBreathe {
  0%, 100% { box-shadow: 0 0 12px rgba(255,184,0,0.5); }
  50% { box-shadow: 0 0 24px rgba(255,184,0,0.9), 0 0 48px rgba(255,150,30,0.4); }
}

.nav-links {
  display: flex; gap: 32px; list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  letter-spacing: 1px;
  padding: 6px 0;
  position: relative;
  transition: color 0.3s;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--orange);
  border-radius: 1px;
  transition: width 0.4s cubic-bezier(0.25,0.46,0.45,0.94);
}

.nav-links a:hover { color: var(--orange); }
.nav-links a:hover::after { width: 100%; }

/* 移动端汉堡菜单按钮（PC 端默认隐藏） */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  background: none;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.3s;
}

.nav-toggle:hover { background: var(--orange-pale); }

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2.5px;
  background: var(--orange);
  border-radius: 2px;
  transition: all 0.3s cubic-bezier(0.25,0.46,0.45,0.94);
}

/* 展开时三条线变成 × */
.nav-toggle.active span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ============================================
   Hero Section
   ============================================ */
.hero {
  min-height: 100vh;
  min-height: 100svh; /* 移动端浏览器地址栏伸缩时防止首屏被裁切 */
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 100px 48px 60px;
  position: relative;
  z-index: 2;
}

/* Hero 橙色飘带装饰 */
.hero-ribbon {
  position: absolute;
  z-index: 0;
  pointer-events: none;
}

.hero-ribbon.r1 {
  top: 15%; right: 0;
  width: 400px; height: 80px;
  background: linear-gradient(90deg, transparent, var(--orange-pale), rgba(255,140,90,0.2));
  border-radius: 80px 0 0 80px;
  transform: rotate(-5deg);
}

.hero-ribbon.r2 {
  bottom: 20%; left: 0;
  width: 300px; height: 60px;
  background: linear-gradient(270deg, transparent, rgba(255,184,0,0.1), var(--yellow-pale));
  border-radius: 0 60px 60px 0;
  transform: rotate(4deg);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  max-width: 1300px;
  width: 100%;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-text { position: relative; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: var(--orange-pale);
  border: 1px solid rgba(255,107,53,0.2);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--orange);
  letter-spacing: 2px;
  margin-bottom: 28px;
  animation: floatBadge 3s ease-in-out infinite;
}

@keyframes floatBadge {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.hero-title {
  font-family: var(--font-title);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  line-height: 1.25;
  margin-bottom: 20px;
}

.hero-title .hi {
  display: block;
  font-size: 1.2rem;
  font-family: var(--font-body);
  color: var(--text-secondary);
  margin-bottom: 4px;
  letter-spacing: 1px;
}

.hero-title .name {
  background: linear-gradient(135deg, var(--orange), #ff8c42, #ffb347);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 16px;
  max-width: 460px;
}

.hero-tags {
  display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 36px;
}

.tag {
  padding: 6px 18px;
  border-radius: 50px;
  font-size: 0.85rem;
  letter-spacing: 1px;
  border: 1px solid;
}

.tag-yellow {
  color: var(--orange);
  border-color: rgba(255,107,53,0.25);
  background: var(--orange-pale);
}

.tag-cyan {
  color: #e67e3a;
  border-color: rgba(255,140,90,0.25);
  background: #fff4ed;
}

.tag-pink {
  color: #ff7b7b;
  border-color: rgba(255,123,123,0.25);
  background: var(--pink-pale);
}

.hero-cta {
  display: flex; gap: 16px; flex-wrap: wrap;
}

/* Hero 自动动画 — 页面加载即刻播放，不依赖 JS */
.hero .fade-up {
  animation: fadeUpIn 0.8s cubic-bezier(0.25,0.46,0.45,0.94) forwards;
  opacity: 0;
}
.hero .fade-up.visible {
  animation: none;
  opacity: 1;
  transform: translateY(0);
}
.hero .delay-1 { animation-delay: 0.12s; }
.hero .delay-2 { animation-delay: 0.28s; }
.hero .delay-3 { animation-delay: 0.44s; }
.hero .delay-4 { animation-delay: 0.6s; }
.hero .delay-5 { animation-delay: 0.76s; }

@keyframes fadeUpIn {
  from { opacity: 0; transform: translateY(40px); }
  to   { opacity: 1; transform: translateY(0); }
}

.btn {
  padding: 14px 36px;
  border-radius: 50px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 1px;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.35s cubic-bezier(0.25,0.46,0.45,0.94);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--orange), #ff8c42);
  color: #fff;
  box-shadow: 0 4px 20px rgba(255,107,53,0.25);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 35px rgba(255,107,53,0.35);
}

.btn-outline {
  background: #fff;
  color: var(--orange);
  border: 2px solid rgba(255,107,53,0.3);
}

.btn-outline:hover {
  border-color: var(--orange);
  background: var(--orange-pale);
  box-shadow: 0 4px 20px rgba(255,107,53,0.1);
  transform: translateY(-3px);
}

/* ============================================
   角色立绘区域
   ============================================ */
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.character-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: translateX(-28px);
}

/* 橙色光晕飘带环 */
.character-aura {
  position: absolute;
  width: 360px; height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,107,53,0.1) 0%, rgba(255,184,0,0.05) 40%, transparent 70%);
  animation: auraPulse 3s ease-in-out infinite;
  z-index: 0;
}

@keyframes auraPulse {
  0%, 100% { transform: scale(1); opacity: 0.7; }
  50% { transform: scale(1.12); opacity: 1; }
}

/* 橙色装饰带 - 环绕人物 */
.character-ribbon {
  position: absolute;
  z-index: 0;
  pointer-events: none;
  width: 340px; height: 200px;
  border: 2px solid rgba(255,107,53,0.08);
  border-radius: 50%;
  top: 50%; left: 50%;
  transform: translate(-50%, -55%) rotate(-15deg);
}

.character-img-wrap {
  position: relative;
  z-index: 2;
  width: 300px; height: 400px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(180deg, var(--orange-pale) 0%, #fff 100%);
  border: 1px solid rgba(255,107,53,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
}

.character-img-wrap img {
  width: 100%; height: 100%;
  object-fit: cover;
}

/* 千秋立绘 */
.character-img-chiaki {
  width: 240px; height: 340px;
  flex-shrink: 0;
  transition: transform 0.4s cubic-bezier(0.25,0.46,0.45,0.94);
  cursor: pointer;
}
.character-img-chiaki:hover {
  transform: scale(1.07);
  z-index: 5;
}

/* 9:16 竖幅放大并排 */
.character-img-tall {
  width: 200px; height: 356px;
  flex-shrink: 0;
  transition: transform 0.4s cubic-bezier(0.25,0.46,0.45,0.94);
  cursor: pointer;
}
.character-img-tall:hover {
  transform: scale(1.07);
  z-index: 5;
}

/* 头顶灯泡 */
.bulb-container {
  position: absolute;
  top: -30px; left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  cursor: pointer;
}

.bulb {
  width: 48px; height: 56px;
  background: radial-gradient(circle at 40% 35%, #fff, #ffeaa7 40%, var(--yellow) 70%, #e6a800 100%);
  border-radius: 50% 50% 50% 50% / 45% 45% 55% 55%;
  position: relative;
  box-shadow: 0 0 24px rgba(255,184,0,0.4), 0 0 40px rgba(255,184,0,0.15);
  animation: bulbBreathe 2s ease-in-out infinite;
  transition: all 0.4s;
}

.bulb::after {
  content: '';
  position: absolute;
  bottom: -8px; left: 50%;
  transform: translateX(-50%);
  width: 14px; height: 10px;
  background: linear-gradient(180deg, #ccc, #999);
  border-radius: 0 0 5px 5px;
}

.bulb:hover {
  box-shadow: 0 0 50px rgba(255,184,0,0.8), 0 0 90px rgba(255,150,30,0.4), 0 0 120px rgba(255,120,20,0.2);
  transform: scale(1.1);
}

.bulb:active { transform: scale(0.95); }

.float-emoji {
  position: absolute;
  font-size: 1.5rem;
  pointer-events: none;
  animation: floatUp 1.5s ease-out forwards;
  z-index: 20;
}

@keyframes floatUp {
  0% { opacity: 1; transform: translateY(0) scale(1); }
  100% { opacity: 0; transform: translateY(-80px) scale(1.5); }
}

/* ============================================
   区块通用
   ============================================ */
.section {
  padding: 100px 48px;
  position: relative;
  z-index: 2;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  letter-spacing: 4px;
  color: var(--orange);
  margin-bottom: 12px;
  padding: 4px 16px;
  background: var(--orange-pale);
  border-radius: 50px;
}

.section-title {
  font-family: var(--font-title);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  margin-bottom: 12px;
  letter-spacing: 1px;
  color: var(--text);
}

.section-title .highlight {
  background: linear-gradient(135deg, var(--orange), #ff8c42);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 480px;
  margin: 0 auto;
}

/* ============================================
   橙色飘带分隔线
   ============================================ */
.ribbon-divider {
  width: 120px; height: 4px;
  margin: 0 auto 16px;
  background: linear-gradient(90deg, transparent, var(--orange), var(--orange-light), transparent);
  border-radius: 2px;
}

/* ============================================
   关于千秋 - 能量卡片
   ============================================ */
.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  max-width: 1000px;
  margin: 0 auto 60px;
}

.energy-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  text-align: center;
  transition: all 0.4s cubic-bezier(0.25,0.46,0.45,0.94);
  cursor: default;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

/* 顶部橙色飘带 */
.energy-card::before {
  content: '';
  position: absolute;
  top: 0; left: 20%; right: 20%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--orange), transparent);
  border-radius: 0 0 3px 3px;
  transform: scaleX(0);
  transition: transform 0.5s cubic-bezier(0.25,0.46,0.45,0.94);
}

.energy-card:hover::before { transform: scaleX(1); }

.energy-card:hover {
  transform: translateY(-8px);
  border-color: rgba(255,107,53,0.2);
  box-shadow: 0 16px 40px rgba(0,0,0,0.08), 0 0 0 1px rgba(255,107,53,0.06);
}

.energy-card .card-emoji {
  font-size: 3rem;
  margin-bottom: 16px;
  display: block;
  animation: bounceEmoji 2s ease-in-out infinite;
}

.energy-card:nth-child(2) .card-emoji { animation-delay: 0.3s; }
.energy-card:nth-child(3) .card-emoji { animation-delay: 0.6s; }

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

.energy-card h3 {
  font-family: var(--font-title);
  font-size: 1.3rem;
  margin-bottom: 8px;
  letter-spacing: 1px;
  color: var(--text);
}

.energy-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* 橙色小装饰点 */
.energy-card::after {
  content: '';
  position: absolute;
  top: 12px; right: 14px;
  width: 8px; height: 8px;
  background: var(--orange-pale);
  border-radius: 50%;
  border: 1px solid rgba(255,107,53,0.15);
}

/* ============================================
   元气进度条
   ============================================ */
.energy-bar-wrap {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.energy-bar-label {
  font-family: var(--font-title);
  font-size: 1.1rem;
  margin-bottom: 12px;
  color: var(--text-secondary);
  letter-spacing: 2px;
}

.energy-bar-outer {
  height: 28px;
  background: #f0ece8;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--border);
  position: relative;
  margin-bottom: 16px;
}

.energy-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--orange), #ff8c42, var(--yellow));
  border-radius: 14px;
  transition: width 0.5s cubic-bezier(0.25,0.46,0.45,0.94);
  position: relative;
  overflow: hidden;
}

.energy-bar-fill::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.35), transparent);
  animation: barShine 2s ease-in-out infinite;
}

@keyframes barShine {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

.energy-bar-value {
  font-family: var(--font-title);
  font-size: 1.2rem;
  color: var(--orange);
  margin-bottom: 16px;
}

.energy-btns {
  display: flex; gap: 12px; justify-content: center;
}

.btn-sm {
  padding: 10px 28px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  letter-spacing: 1px;
  transition: all 0.3s;
}

.btn-cheer {
  background: linear-gradient(135deg, var(--orange), #ff8c42);
  color: #fff;
  box-shadow: 0 4px 16px rgba(255,107,53,0.2);
}

.btn-cheer:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(255,107,53,0.3);
}

.btn-cheer:active { transform: scale(0.95); }

.btn-reset {
  background: #fff;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.btn-reset:hover {
  border-color: rgba(255,107,53,0.3);
  color: var(--orange);
}

.float-plus {
  position: fixed;
  pointer-events: none;
  font-family: var(--font-title);
  font-size: 1.3rem;
  color: var(--orange);
  text-shadow: 0 0 8px rgba(255,107,53,0.4);
  z-index: 200;
  animation: plusUp 1.2s ease-out forwards;
}

@keyframes plusUp {
  0% { opacity: 1; transform: translateY(0) scale(0.5) rotate(-10deg); }
  30% { opacity: 1; transform: translateY(-20px) scale(1.3) rotate(5deg); }
  100% { opacity: 0; transform: translateY(-80px) scale(0.8) rotate(15deg); }
}

/* ============================================
   冒险日记 - 拉杆箱
   ============================================ */
.suitcase-container {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
}

/* 拉杆 */
.suitcase-handle {
  position: relative;
  height: 200px;
  margin: 0 auto;
  width: 6px;
  background: #e8e0da;
  border-radius: 3px;
  overflow: visible;
}

.suitcase-handle-fill {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  background: linear-gradient(180deg, var(--orange), var(--orange-light));
  border-radius: 3px;
  box-shadow: 0 0 10px rgba(255,107,53,0.3);
  transition: height 0.1s linear;
}

.suitcase-handle-knob {
  position: absolute;
  top: var(--knob-pos, 0%);
  left: 50%;
  transform: translate(-50%, -50%);
  width: 28px; height: 28px;
  background: var(--orange);
  border-radius: 50%;
  box-shadow: 0 0 14px rgba(255,107,53,0.4);
  transition: top 0.1s linear;
}

/* 箱子本体 */
.suitcase-body {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg) var(--radius-lg) var(--radius-md) var(--radius-md);
  padding: 40px 32px 32px;
  position: relative;
  box-shadow: var(--shadow-md);
}

/* 橙色带子横跨箱子 */
.suitcase-body::before {
  content: '';
  position: absolute;
  top: 16px; left: 60px; right: 60px;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(255,107,53,0.15), transparent);
}

/* 箱子上的橙色装饰条 */
.suitcase-band {
  position: absolute;
  top: 0; left: 60px; right: 60px;
  height: 100%;
  border-left: 1px dashed rgba(255,107,53,0.08);
  border-right: 1px dashed rgba(255,107,53,0.08);
  pointer-events: none;
}

.suitcase-rivet {
  position: absolute;
  width: 10px; height: 10px;
  background: #e0d8d0;
  border-radius: 50%;
  top: 11px;
}

.suitcase-rivet:nth-child(1) { left: 50px; }
.suitcase-rivet:nth-child(2) { right: 50px; }

.diary-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}

.diary-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px;
  transition: all 0.35s;
  cursor: default;
  position: relative;
}

/* 日记卡片左侧橙色小条 */
.diary-card::before {
  content: '';
  position: absolute;
  left: 0; top: 16px; bottom: 16px;
  width: 3px;
  background: var(--orange-pale);
  border-radius: 0 3px 3px 0;
  transition: all 0.35s;
}

.diary-card:hover {
  background: #fff;
  border-color: rgba(255,107,53,0.15);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.diary-card:hover::before {
  background: var(--orange);
  box-shadow: 0 0 8px rgba(255,107,53,0.2);
}

.diary-card .diary-date {
  font-size: 0.78rem;
  color: var(--orange);
  letter-spacing: 2px;
  margin-bottom: 8px;
}

.diary-card h4 {
  font-family: var(--font-title);
  font-size: 1.05rem;
  margin-bottom: 6px;
  color: var(--text);
}

.diary-card p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.7;
}

/* ============================================
   随身小工具 - 悬浮卡片
   ============================================ */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
  max-width: 1000px;
  margin: 0 auto;
}

.tool-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  text-align: center;
  cursor: default;
  box-shadow: var(--shadow-sm);
  transition: all 0.5s cubic-bezier(0.25,0.46,0.45,0.94);
  position: relative;
  overflow: hidden;
}

/* 橙色角标 */
.tool-card::before {
  content: '';
  position: absolute;
  top: -30px; right: -30px;
  width: 80px; height: 80px;
  background: var(--orange-pale);
  border-radius: 50%;
  transition: all 0.5s;
  opacity: 0;
}

.tool-card:hover::before {
  opacity: 1;
  top: -20px; right: -20px;
}

.tool-card:hover {
  transform: translateY(-12px);
  border-color: rgba(255,107,53,0.15);
  box-shadow: 0 20px 50px rgba(0,0,0,0.08);
}

.tool-icon {
  font-size: 3.2rem;
  margin-bottom: 16px;
  display: block;
  transition: transform 0.5s;
  position: relative;
  z-index: 1;
}

.tool-card:hover .tool-icon {
  transform: scale(1.15) translateY(-6px);
}

.tool-card h3 {
  font-family: var(--font-title);
  font-size: 1.2rem;
  margin-bottom: 8px;
  color: var(--text);
  position: relative;
  z-index: 1;
}

.tool-card p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.7;
  position: relative;
  z-index: 1;
}

/* ============================================
   留言互动区
   ============================================ */
.interact-box {
  max-width: 540px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px 32px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

/* 顶部橙色装饰 */
.interact-box::before {
  content: '';
  position: absolute;
  top: 0; left: 40px; right: 40px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,107,53,0.15), transparent);
}

.message-bubbles {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
  max-height: 200px;
  overflow-y: auto;
  padding: 0 8px;
}

.message-bubble {
  background: var(--bg);
  border-radius: 16px;
  padding: 12px 18px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  animation: bubbleIn 0.4s ease-out;
  text-align: left;
  border: 1px solid var(--border);
}

@keyframes bubbleIn {
  0% { opacity: 0; transform: scale(0.8) translateY(10px); }
  100% { opacity: 1; transform: scale(1) translateY(0); }
}

.interact-btn {
  padding: 16px 48px;
  border-radius: 50px;
  font-family: var(--font-title);
  font-size: 1.1rem;
  letter-spacing: 2px;
  cursor: pointer;
  border: none;
  background: linear-gradient(135deg, var(--orange), #ff8c42);
  color: #fff;
  font-weight: 700;
  box-shadow: 0 6px 24px rgba(255,107,53,0.25);
  transition: all 0.35s;
}

.interact-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 36px rgba(255,107,53,0.35);
}

.interact-btn:active { transform: scale(0.95); }

.interact-hint {
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-top: 12px;
  letter-spacing: 1px;
}

.popup-bubble {
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%) scale(0);
  background: #fff;
  border: 2px solid var(--orange);
  border-radius: var(--radius-lg);
  padding: 24px 36px;
  font-family: var(--font-title);
  font-size: 1.2rem;
  color: var(--orange);
  text-align: center;
  z-index: 200;
  pointer-events: none;
  max-width: min(88vw, 480px);
  word-break: break-word;
  box-shadow: 0 20px 60px rgba(0,0,0,0.1), 0 0 40px rgba(255,107,53,0.1);
  animation: popIn 2s ease-out forwards;
}

@keyframes popIn {
  0% { transform: translate(-50%, -50%) scale(0); opacity: 0; }
  15% { transform: translate(-50%, -50%) scale(1.1); opacity: 1; }
  25% { transform: translate(-50%, -50%) scale(1); }
  80% { opacity: 1; }
  100% { transform: translate(-50%, -50%) scale(0.9); opacity: 0; }
}

/* ============================================
   CTA 底部
   ============================================ */
.cta-section {
  text-align: center;
  padding: 120px 48px 80px;
  position: relative;
}

/* 底部橙色大飘带 */
.cta-section::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, transparent, var(--orange), var(--orange-light), transparent);
}

.cta-section h2 {
  font-family: var(--font-title);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 16px;
  color: var(--text);
}

.cta-section .slogan {
  font-size: 1.2rem;
  color: var(--orange);
  margin-bottom: 32px;
  letter-spacing: 2px;
  font-family: var(--font-title);
}

/* ============================================
   页脚
   ============================================ */
.footer {
  text-align: center;
  padding: 32px 48px 48px;
  border-top: 1px solid var(--border);
  position: relative;
  z-index: 2;
  background: #fff;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 28px;
  list-style: none;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

/* 让列表项里的纯文本与链接风格统一（如"由…托管"） */
.footer-links li {
  color: var(--text-muted);
  font-size: 0.85rem;
  letter-spacing: 1px;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.3s;
  letter-spacing: 1px;
}

.footer-links a:hover { color: var(--orange); }

.footer-copy {
  color: var(--text-muted);
  font-size: 0.78rem;
  letter-spacing: 2px;
}

/* ============================================
   滚动渐显
   ============================================ */
.fade-up {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s cubic-bezier(0.25,0.46,0.45,0.94);
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* ============================================
   融入图片装饰
   ============================================ */

/* ---- Hero 招手小卡（1:1）---- */
.hero-wave-card {
  position: absolute;
  bottom: -24px;
  right: -36px;
  width: 130px;
  height: 130px;
  border-radius: 20px;
  overflow: hidden;
  border: 3px solid #fff;
  box-shadow: 0 8px 30px rgba(0,0,0,0.1), 0 0 0 1px rgba(255,107,53,0.08);
  z-index: 5;
  animation: floatWave 3.5s ease-in-out infinite;
}
.hero-wave-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
@keyframes floatWave {
  0%, 100% { transform: translateY(0) rotate(-3deg); }
  50% { transform: translateY(-10px) rotate(2deg); }
}

/* ---- About 宽幅装饰（16:9）---- */
.about-banner {
  max-width: 760px;
  margin: 56px auto 0;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,0.06);
  border: 1px solid var(--border);
}
.about-banner img {
  width: 100%;
  display: block;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* ---- Diary 庆祝贴纸（1:1 圆形）---- */
.suitcase-body {
  position: relative;
}
.diary-stamp {
  position: absolute;
  top: -28px;
  right: -24px;
  width: 90px;
  height: 90px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid #fff;
  box-shadow: 0 6px 24px rgba(0,0,0,0.1);
  z-index: 10;
  transform: rotate(12deg);
  transition: transform 0.45s cubic-bezier(0.25,0.46,0.45,0.94);
}
.suitcase-container:hover .diary-stamp {
  transform: rotate(0deg) scale(1.12);
}
.diary-stamp img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---- CTA 方卡（1:1）---- */
.cta-accent {
  width: 110px;
  height: 110px;
  border-radius: 20px;
  overflow: hidden;
  margin: 28px auto 0;
  border: 2px solid #fff;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  transform: rotate(-3deg);
  transition: transform 0.4s cubic-bezier(0.25,0.46,0.45,0.94);
}
.cta-accent:hover {
  transform: rotate(0deg) scale(1.08);
}
.cta-accent img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ============================================
   响应式
   ============================================ */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  .hero-text { order: 2; }
  .hero-visual { order: 1; }
  .hero-subtitle { max-width: 100%; }
  .hero-tags { justify-content: center; }
  .hero-cta { justify-content: center; }
  .about-grid { grid-template-columns: 1fr; max-width: 360px; }
  .navbar { padding: 12px 20px; }
  .hero { padding: 96px 24px 56px; }

  /* 移动端：汉堡按钮显示，导航链接变为下拉面板 */
  .nav-toggle { display: flex; }
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255,107,53,0.12);
    box-shadow: 0 16px 32px rgba(0,0,0,0.08);
    padding: 6px 0 10px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    pointer-events: none;
    transition: opacity 0.3s, transform 0.3s, visibility 0.3s;
  }
  .nav-links.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
  }
  .nav-links li { width: 100%; }
  .nav-links a {
    display: block;
    padding: 13px 24px;
    font-size: 1rem;
    letter-spacing: 2px;
  }
  .nav-links a::after { display: none; }
  .nav-links a:hover { background: var(--orange-pale); color: var(--orange); }

  .section { padding: 60px 20px; }
  .character-wrapper { transform: translateX(0); }
  .character-img-wrap { width: 220px; height: 300px; }
  .character-img-chiaki { width: 160px; height: 227px; }
  .character-img-tall { width: 130px; height: 231px; }
  .character-aura { width: 300px; height: 300px; }
  .bulb-container { top: -22px; }
  .bulb { width: 36px; height: 42px; }
  .tools-grid { grid-template-columns: 1fr; max-width: 360px; }
  .diary-cards { grid-template-columns: 1fr; }
  .hero-wave-card { width: 90px; height: 90px; bottom: -16px; right: -16px; border-radius: 14px; }
  .about-banner { margin-top: 36px; border-radius: 12px; }
  .diary-stamp { width: 64px; height: 64px; top: -18px; right: -12px; }
  .cta-accent { width: 80px; height: 80px; border-radius: 14px; }
}

/* ============================================
   小屏手机（≤480px）精细适配
   ============================================ */
@media (max-width: 480px) {
  .hero { padding: 88px 16px 44px; }
  .hero-inner { gap: 30px; }
  .hero-badge { font-size: 0.78rem; padding: 6px 14px; margin-bottom: 20px; }
  .hero-title { font-size: 2.3rem; }
  .hero-subtitle { font-size: 1rem; }
  .hero-tags { gap: 8px; margin-bottom: 28px; }
  .tag { padding: 5px 13px; font-size: 0.78rem; }
  .hero-cta { gap: 12px; }
  .hero-cta .btn { flex: 1; justify-content: center; min-width: 0; padding: 13px 16px; font-size: 0.88rem; }

  /* 立绘进一步缩小，保证两张并排不溢出 */
  .character-wrapper { transform: translateX(0); }
  .character-img-wrap { width: 165px; height: 235px; }
  .character-img-chiaki { width: 118px; height: 167px; }
  .character-img-tall { width: 98px; height: 174px; }
  .character-aura { width: 230px; height: 230px; }
  .character-ribbon { width: 220px; height: 130px; }
  .bulb-container { top: -16px; }
  .bulb { width: 32px; height: 38px; }
  .hero-wave-card { width: 74px; height: 74px; bottom: -12px; right: -4px; border-radius: 12px; }

  .section { padding: 52px 16px; }
  .section-header { margin-bottom: 40px; }
  .section-tag { font-size: 0.72rem; letter-spacing: 3px; }
  .section-title { font-size: 1.55rem; }
  .section-desc { font-size: 0.95rem; }

  .energy-card, .tool-card { padding: 26px 20px; }
  .energy-card p, .tool-card p { font-size: 0.85rem; }
  .energy-bar-label { font-size: 1rem; }
  .btn-sm { padding: 9px 20px; }

  .suitcase-handle { height: 130px; }
  .suitcase-body { padding: 32px 16px 24px; }
  .diary-card { padding: 16px; }
  .diary-card h4 { font-size: 0.98rem; }
  .diary-stamp { width: 56px; height: 56px; top: -14px; right: -8px; }

  .interact-box { padding: 32px 18px; }
  .interact-btn { width: 100%; padding: 15px 24px; font-size: 1rem; }
  .message-bubble { font-size: 0.85rem; padding: 10px 14px; }

  .cta-section { padding: 76px 16px 56px; }
  .cta-section .slogan { font-size: 1.05rem; }
  .cta-accent { width: 72px; height: 72px; }
  .footer { padding: 24px 16px 32px; }
  .footer-links { gap: 16px; }
}