/* ==========================================================================
   幸福来临 · 好柿发生 | 山东临朐·隐士村 移动端专属样式表 (Mobile-First)
   设计基准：375px - 430px 竖屏手机视口，大字号、高对比、东方山居秋日美学
   ========================================================================== */

:root {
  /* 核心色彩体系：柿红、暖金、秋叶黄、墨绿、米白 */
  --color-persimmon: #D94E28;       /* 柿红：主视觉点缀与行动按钮 */
  --color-persimmon-deep: #B53816;  /* 深朱柿红：按钮按压态 */
  --color-gold: #E5A93C;            /* 暖金：丰收光泽与高亮标签 */
  --color-autumn-yellow: #F2C97D;   /* 秋叶黄：浅色装饰与副标题高亮 */
  --color-ink-green: #1F332A;       /* 墨绿：远山林泉深色背景 */
  --color-ink-green-light: #2C463B; /* 浅墨绿：卡片深色衬底 */
  --color-rice-white: #FAF6F0;      /* 米白：宣纸暖调主背景 */
  --color-card-bg: #FFFFFF;         /* 纯白卡片衬底 */
  --color-stone-dark: #2B2623;      /* 焦茶黑：正文主标题色 */
  --color-stone-muted: #6E655F;     /* 青石灰：辅助说明文字 */
  --color-border-warm: rgba(217, 78, 40, 0.14);

  /* 字体栈：兼顾标题人文宋韵与正文移动端清晰阅读 */
  --font-serif: "Songti SC", "Noto Serif SC", "STSong", "Source Han Serif SC", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;

  /* 圆角与阴影 */
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-pill: 999px;
  --shadow-soft: 0 12px 32px rgba(43, 38, 35, 0.08);
  --shadow-persimmon: 0 10px 24px rgba(217, 78, 40, 0.32);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: #16221C; /* PC端预览时的深墨绿背景衬底 */
  color: var(--color-stone-dark);
  font-family: var(--font-sans);
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.7;
}

/* 手机视口容器：在手机端100%全宽，在大于480px屏幕居中锁定为430px手机画布 */
.mobile-viewport {
  width: 100%;
  max-width: 430px;
  margin: 0 auto;
  background-color: var(--color-rice-white);
  min-height: 100vh;
  position: relative;
  padding-bottom: 92px; /* 为底部常驻栏留白 */
  box-shadow: 0 0 60px rgba(0, 0, 0, 0.45);
}

img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

a {
  text-decoration: none;
  color: inherit;
}

/* ==========================================================================
   顶部悬浮轻量导航
   ========================================================================== */
.top-nav {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  transition: background-color 0.3s ease, backdrop-filter 0.3s ease, box-shadow 0.3s ease;
}

.top-nav.scrolled {
  background-color: rgba(31, 51, 42, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.22);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-seal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background-color: var(--color-persimmon);
  color: #FFF;
  font-family: var(--font-serif);
  font-size: 13px;
  font-weight: 700;
  border-radius: 6px;
  letter-spacing: 1px;
}

.brand-text {
  color: #FFFDF9;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.35);
}

.nav-cta {
  padding: 7px 15px;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.38);
  color: #FFF;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-pill);
  backdrop-filter: blur(6px);
}

/* ==========================================================================
   板块一：沉浸式首屏 Hero
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 88px 22px 44px;
  color: #FFFDF9;
  overflow: hidden;
}

.hero-bg-wrap {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.03);
  animation: slowZoom 18s ease-in-out infinite alternate;
}

@keyframes slowZoom {
  0% { transform: scale(1.0); }
  100% { transform: scale(1.08); }
}

.hero-gradient-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(22, 34, 28, 0.38) 0%,
    rgba(22, 34, 28, 0.15) 35%,
    rgba(25, 36, 30, 0.78) 72%,
    rgba(25, 36, 30, 0.96) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
}

.location-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  background: rgba(31, 51, 42, 0.72);
  border: 1px solid rgba(242, 201, 125, 0.45);
  border-radius: var(--radius-pill);
  font-size: 14px;
  color: var(--color-autumn-yellow);
  margin-bottom: 18px;
  backdrop-filter: blur(8px);
}

.location-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-persimmon);
  box-shadow: 0 0 8px var(--color-persimmon);
}

.hero-main-title {
  font-family: var(--font-serif);
  font-size: 46px;
  line-height: 1.18;
  font-weight: 800;
  letter-spacing: 2px;
  margin-bottom: 16px;
  text-shadow: 0 4px 18px rgba(0, 0, 0, 0.45);
}

.hero-main-title .title-line {
  display: block;
}

.hero-main-title .highlight-persimmon {
  color: var(--color-autumn-yellow);
  background: linear-gradient(90deg, #FFD88B 0%, #F48C42 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 19px;
  line-height: 1.65;
  color: rgba(255, 253, 249, 0.94);
  margin-bottom: 20px;
  font-weight: 400;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.hero-tags span {
  font-size: 14px;
  padding: 5px 12px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
  color: #F7EFE4;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* 通用大尺寸触控按钮（符合手机单手拇指热区 >= 54px） */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 56px;
  padding: 0 24px;
  border-radius: var(--radius-pill);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.5px;
  border: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background-color 0.2s ease;
  user-select: none;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-persimmon) 0%, #E66833 100%);
  color: #FFFFFF;
  box-shadow: var(--shadow-persimmon);
}

.btn-glass {
  background: rgba(255, 255, 255, 0.14);
  color: #FFFDF9;
  border: 1.5px solid rgba(255, 255, 255, 0.42);
  backdrop-filter: blur(8px);
}

.btn-outline {
  background: transparent;
  color: var(--color-persimmon);
  border: 2px solid var(--color-persimmon);
}

.btn-full {
  width: 100%;
}

.scroll-indicator {
  position: relative;
  z-index: 2;
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  opacity: 0.78;
}

.scroll-text {
  font-size: 13px;
  letter-spacing: 1.5px;
  color: var(--color-autumn-yellow);
}

.scroll-line {
  width: 2px;
  height: 22px;
  background: linear-gradient(180deg, var(--color-autumn-yellow), transparent);
}

/* ==========================================================================
   通用章节排版（大字号、高呼吸感）
   ========================================================================== */
.section {
  padding: 56px 20px;
}

.section-header {
  margin-bottom: 28px;
}

.section-kicker {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--color-persimmon);
  background: rgba(217, 78, 40, 0.1);
  padding: 5px 12px;
  border-radius: 6px;
  margin-bottom: 10px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 30px;
  line-height: 1.3;
  font-weight: 800;
  color: var(--color-ink-green);
  margin-bottom: 10px;
}

.section-lead {
  font-size: 17px;
  color: var(--color-stone-muted);
  line-height: 1.55;
}

/* ==========================================================================
   板块二：村落简介 / 幸福叙事 & 视频占位区
   ========================================================================== */
.story-prose p {
  font-size: 18px;
  line-height: 1.85;
  color: var(--color-stone-dark);
  margin-bottom: 16px;
  text-align: justify;
}

.story-prose strong {
  color: var(--color-persimmon);
  font-weight: 700;
}

.poetic-quote {
  margin: 24px 0;
  padding: 20px 20px;
  background: linear-gradient(135deg, #FFFDF9 0%, #F7EFE4 100%);
  border-left: 5px solid var(--color-persimmon);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-family: var(--font-serif);
  font-size: 18px;
  line-height: 1.75;
  color: var(--color-ink-green);
  box-shadow: var(--shadow-soft);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 28px 0 34px;
}

.stat-card {
  background: var(--color-card-bg);
  padding: 18px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-warm);
  box-shadow: var(--shadow-soft);
  text-align: center;
}

.stat-num {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 800;
  color: var(--color-persimmon);
  line-height: 1.15;
  margin-bottom: 4px;
}

.stat-num .unit {
  font-size: 16px;
  font-weight: 600;
  margin-left: 2px;
}

.stat-label {
  font-size: 15px;
  color: var(--color-stone-muted);
  font-weight: 500;
}

/* 视频预留卡片 */
.video-placeholder-card {
  background: var(--color-ink-green);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 16px 36px rgba(31, 51, 42, 0.22);
  cursor: pointer;
}

.video-poster-wrap {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.video-poster-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.video-placeholder-card:active .video-poster-img {
  transform: scale(1.04);
}

.video-mask {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.25) 0%, rgba(0,0,0,0.15) 45%, rgba(0,0,0,0.78) 100%);
}

.video-status-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 3;
  background: rgba(217, 78, 40, 0.95);
  color: #FFF;
  font-size: 13px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.5px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
}

.play-btn-circle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -58%);
  z-index: 3;
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: rgba(217, 78, 40, 0.92);
  border: 3px solid rgba(255, 255, 255, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 10px rgba(217, 78, 40, 0.24);
  animation: pulsePlay 2.2s infinite;
}

@keyframes pulsePlay {
  0% { box-shadow: 0 0 0 0 rgba(217, 78, 40, 0.5); }
  70% { box-shadow: 0 0 0 16px rgba(217, 78, 40, 0); }
  100% { box-shadow: 0 0 0 0 rgba(217, 78, 40, 0); }
}

.video-caption-bar {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 12px;
  z-index: 3;
  color: #FFF;
}

.video-title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 2px;
}

.video-duration {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.82);
}

.video-replace-note {
  padding: 12px 16px;
  background: var(--color-ink-green-light);
  color: var(--color-autumn-yellow);
  font-size: 13px;
  text-align: center;
}

/* ==========================================================================
   板块三：好柿发生（柿子产业亮点 + 产品展示）
   ========================================================================== */
.persimmon-section {
  background: linear-gradient(180deg, #F5EDE2 0%, var(--color-rice-white) 100%);
}

.craft-timeline {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 34px;
}

.craft-step {
  background: var(--color-card-bg);
  border-radius: var(--radius-md);
  padding: 18px 18px;
  border-left: 4px solid var(--color-gold);
  box-shadow: var(--shadow-soft);
}

.step-badge {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-persimmon);
  background: rgba(229, 169, 60, 0.18);
  padding: 3px 10px;
  border-radius: 6px;
  margin-bottom: 8px;
}

.step-body h3 {
  font-size: 20px;
  color: var(--color-ink-green);
  margin-bottom: 6px;
}

.step-body p {
  font-size: 16px;
  color: var(--color-stone-muted);
  line-height: 1.65;
}

.product-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.product-card {
  background: var(--color-card-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--color-border-warm);
}

.product-img-box {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.product-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--color-persimmon);
  color: #FFF;
  font-size: 13px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
}

.product-tag.tag-gold {
  background: var(--color-ink-green);
  color: var(--color-autumn-yellow);
}

.product-info {
  padding: 22px 20px 24px;
}

.product-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.product-title-row h3 {
  font-family: var(--font-serif);
  font-size: 23px;
  color: var(--color-stone-dark);
  font-weight: 800;
}

.product-season {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-persimmon);
  background: rgba(217, 78, 40, 0.1);
  padding: 4px 10px;
  border-radius: 6px;
  white-space: nowrap;
}

.product-desc {
  font-size: 17px;
  color: var(--color-stone-muted);
  line-height: 1.7;
  margin-bottom: 16px;
}

.product-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.meta-pill {
  font-size: 14px;
  color: var(--color-ink-green);
  background: #F2ECE1;
  padding: 5px 12px;
  border-radius: 8px;
  font-weight: 500;
}

.btn-card-action {
  width: 100%;
  min-height: 52px;
  background: var(--color-ink-green);
  color: #FFFDF9;
  font-size: 17px;
}

.btn-card-action:active {
  background: var(--color-persimmon);
}

/* ==========================================================================
   板块四：隐士生活（山水、院落、慢生活场景）
   ========================================================================== */
.lifestyle-section {
  background-color: var(--color-ink-green);
  color: #FFFDF9;
}

.lifestyle-section .section-kicker {
  background: rgba(242, 201, 125, 0.18);
  color: var(--color-autumn-yellow);
}

.lifestyle-section .section-title {
  color: #FFFDF9;
}

.lifestyle-section .section-lead {
  color: rgba(255, 253, 249, 0.78);
}

.lifestyle-cards {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 30px;
}

.life-card {
  background: var(--color-ink-green-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(242, 201, 125, 0.18);
}

.life-img-wrap {
  position: relative;
  aspect-ratio: 4 / 3;
}

.life-number {
  position: absolute;
  bottom: 12px;
  left: 14px;
  background: rgba(22, 34, 28, 0.82);
  color: var(--color-autumn-yellow);
  font-size: 13px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  backdrop-filter: blur(4px);
}

.life-content {
  padding: 20px 18px 22px;
}

.life-content h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--color-autumn-yellow);
  margin-bottom: 8px;
}

.life-content p {
  font-size: 17px;
  line-height: 1.75;
  color: rgba(255, 253, 249, 0.9);
}

.day-schedule-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(242, 201, 125, 0.25);
  border-radius: var(--radius-lg);
  padding: 22px 18px;
}

.schedule-title {
  font-size: 19px;
  font-weight: 700;
  color: var(--color-autumn-yellow);
  margin-bottom: 16px;
}

.schedule-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.schedule-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 16px;
  line-height: 1.55;
}

.schedule-list .time {
  font-weight: 700;
  color: var(--color-gold);
  background: rgba(229, 169, 60, 0.16);
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 14px;
  flex-shrink: 0;
  margin-top: 2px;
}

.schedule-list .event {
  color: rgba(255, 253, 249, 0.92);
}

/* ==========================================================================
   板块五：到访指南 & 联系方式 & 底部落款
   ========================================================================== */
.guide-card {
  background: var(--color-card-bg);
  border-radius: var(--radius-lg);
  padding: 22px 18px;
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 24px;
}

.guide-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}

.guide-icon {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: rgba(217, 78, 40, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.guide-text h4 {
  font-size: 19px;
  color: var(--color-ink-green);
  margin-bottom: 4px;
}

.guide-text p {
  font-size: 16px;
  color: var(--color-stone-muted);
  line-height: 1.65;
}

.contact-box {
  background: linear-gradient(145deg, #FFFDF9 0%, #F6ECE0 100%);
  border: 1.5px solid rgba(217, 78, 40, 0.25);
  border-radius: var(--radius-lg);
  padding: 26px 20px;
  text-align: center;
  box-shadow: var(--shadow-soft);
}

.contact-title {
  font-family: var(--font-serif);
  font-size: 24px;
  color: var(--color-ink-green);
  margin-bottom: 6px;
}

.contact-sub {
  font-size: 16px;
  color: var(--color-stone-muted);
  margin-bottom: 20px;
}

.contact-buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 18px;
}

.wechat-tip {
  font-size: 15px;
  color: var(--color-stone-muted);
  padding-top: 14px;
  border-top: 1px dashed rgba(43, 38, 35, 0.15);
}

.wechat-tip strong {
  color: var(--color-persimmon);
}

/* 底部落款 */
.site-footer {
  background: #18261F;
  color: rgba(255, 253, 249, 0.85);
  text-align: center;
  padding: 44px 20px 48px;
}

.footer-seal {
  width: 48px;
  height: 48px;
  margin: 0 auto 14px;
  background: var(--color-persimmon);
  color: #FFF;
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 800;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 18px rgba(217, 78, 40, 0.35);
}

.footer-slogan {
  font-family: var(--font-serif);
  font-size: 24px;
  color: var(--color-autumn-yellow);
  letter-spacing: 2px;
  margin-bottom: 6px;
}

.footer-sub {
  font-size: 14px;
  color: rgba(255, 253, 249, 0.65);
}

.footer-divider {
  width: 60px;
  height: 2px;
  background: rgba(242, 201, 125, 0.28);
  margin: 20px auto;
}

.footer-copy {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255, 253, 249, 0.55);
}

/* ==========================================================================
   底部常驻转化栏 & 弹窗 & 轻提示
   ========================================================================== */
.sticky-bottom-bar {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  z-index: 95;
  background: rgba(255, 253, 249, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid rgba(217, 78, 40, 0.18);
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  box-shadow: 0 -6px 24px rgba(0, 0, 0, 0.08);
}

.bar-info {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.bar-badge {
  background: rgba(217, 78, 40, 0.12);
  color: var(--color-persimmon);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 6px;
  white-space: nowrap;
}

.bar-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.bar-text strong {
  font-size: 15px;
  color: var(--color-stone-dark);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bar-text span {
  font-size: 12px;
  color: var(--color-stone-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.btn-bar-cta {
  background: var(--color-persimmon);
  color: #FFF;
  border: none;
  border-radius: var(--radius-pill);
  padding: 12px 20px;
  font-size: 16px;
  font-weight: 700;
  white-space: nowrap;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(217, 78, 40, 0.35);
}

.btn-bar-cta:active {
  transform: scale(0.96);
}

/* 弹窗面板 */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 120;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-sheet {
  width: 100%;
  max-width: 430px;
  background: var(--color-rice-white);
  border-radius: 24px 24px 0 0;
  padding: 16px 22px calc(28px + env(safe-area-inset-bottom));
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.2, 0.9, 0.3, 1);
}

.modal-backdrop.active .modal-sheet {
  transform: translateY(0);
}

.modal-handle {
  width: 44px;
  height: 5px;
  background: rgba(43, 38, 35, 0.2);
  border-radius: 99px;
  margin: 0 auto 18px;
}

.modal-title {
  font-family: var(--font-serif);
  font-size: 24px;
  color: var(--color-ink-green);
  margin-bottom: 8px;
}

.modal-desc {
  font-size: 16px;
  color: var(--color-stone-muted);
  line-height: 1.65;
  margin-bottom: 16px;
}

.modal-info-box {
  background: #FFFFFF;
  border-radius: var(--radius-md);
  padding: 16px;
  border: 1px solid var(--color-border-warm);
  font-size: 15px;
  line-height: 1.85;
  color: var(--color-stone-dark);
  margin-bottom: 20px;
}

/* 轻提示 Toast */
.toast-msg {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  background: rgba(31, 51, 42, 0.94);
  color: #FFF;
  padding: 14px 24px;
  border-radius: var(--radius-pill);
  font-size: 16px;
  font-weight: 600;
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.28);
}

.toast-msg.show {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

/* 滚动渐显动效 */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}