/* ==========================================================================
   宇创科学讯建站 yckjxx.cn - 全站主样式表
   风格：密封罐清新风（透明白 + 浅绿 + 浅黄）
   曲面极简松弛高级布局，纯原生 CSS3，无任何框架依赖
   ========================================================================== */

/* ---------- 设计变量 ---------- */
:root {
  /* 主色：透明白系（密封罐玻璃质感） */
  --glass-50:  #FAFCF9;
  --glass-100: #F4F8F2;
  --glass-200: #EAF2E6;
  --glass-300: #D9E8D2;
  --glass-400: #C2D9B8;
  --glass-500: #A8C99A;
  --glass-600: #8BB57A;
  --glass-700: #6E9D5C;
  --glass-800: #567E47;
  --glass-900: #3D5C32;

  /* 辅色：浅绿系（清新薄荷、嫩芽） */
  --mint-50:  #F0FAF4;
  --mint-100: #DFF5E7;
  --mint-200: #C2EBD2;
  --mint-300: #9CDDB6;
  --mint-400: #6FCB93;
  --mint-500: #4AB674;
  --mint-600: #359A5C;
  --mint-700: #2A7A4A;
  --mint-800: #24613D;
  --mint-900: #1E4E32;

  /* 强调色：浅黄系（阳光、柠檬、蜂蜜） */
  --honey-50:  #FEFCF3;
  --honey-100: #FDF7E1;
  --honey-200: #FAEEC0;
  --honey-300: #F5E094;
  --honey-400: #EFCE63;
  --honey-500: #E8B93A;
  --honey-600: #D4A020;
  --honey-700: #B08018;
  --honey-800: #8E6516;
  --honey-900: #745116;

  /* 文字色 */
  --ink-50:  #F7F9F6;
  --ink-100: #EEF1EC;
  --ink-200: #D9DED5;
  --ink-300: #B8C0B2;
  --ink-400: #8E9A86;
  --ink-500: #6B7863;
  --ink-600: #4F5B48;
  --ink-700: #3A4435;
  --ink-800: #2A3227;
  --ink-900: #1C221A;

  /* 功能 */
  --radius-sm: 8px;
  --radius:    16px;
  --radius-lg: 28px;
  --radius-xl: 40px;
  --shadow-sm: 0 2px 16px rgba(61, 92, 50, 0.06);
  --shadow:    0 12px 40px rgba(61, 92, 50, 0.10);
  --shadow-lg: 0 24px 64px rgba(61, 92, 50, 0.14);
  --glass-bg:  rgba(255, 255, 255, 0.65);
  --glass-border: rgba(255, 255, 255, 0.8);
  --container: 1240px;
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ---------- 重置 ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
               -apple-system, BlinkMacSystemFont, "Segoe UI",
               "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-600);
  background: var(--glass-50);
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; border: 0; }
a { color: inherit; text-decoration: none; transition: color .3s var(--ease); }
a:hover { color: var(--mint-600); }
ul, ol { list-style: none; }
button { font: inherit; cursor: pointer; border: 0; background: transparent; color: inherit; }
input, textarea, select { font: inherit; color: inherit; }

h1, h2, h3, h4, h5 {
  color: var(--ink-800);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: 0.01em;
}
h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.5rem, 2.6vw, 2.2rem); }
h3 { font-size: clamp(1.15rem, 1.6vw, 1.4rem); }
h4 { font-size: 1.1rem; }
p  { color: var(--ink-500); }

/* ---------- 容器 ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}
.container-narrow { max-width: 860px; }
.container-wide   { max-width: 1400px; }
section { position: relative; }

/* ==========================================================================
   密封罐清新风装饰系统
   ========================================================================== */

/* 玻璃拟态卡片 */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

/* 曲面背景装饰 */
.curve-bg {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(60px);
  opacity: 0.5;
}
.curve-bg.mint {
  background: radial-gradient(circle, var(--mint-200) 0%, transparent 70%);
}
.curve-bg.honey {
  background: radial-gradient(circle, var(--honey-200) 0%, transparent 70%);
}
.curve-bg.glass {
  background: radial-gradient(circle, var(--glass-200) 0%, transparent 70%);
}

/* 波浪分隔 */
.wave-divider {
  position: relative;
  height: 80px;
  overflow: hidden;
}
.wave-divider svg {
  position: absolute;
  bottom: 0;
  width: 100%;
  height: 100%;
}

/* 密封罐标签 */
.jar-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 18px;
  background: linear-gradient(135deg, var(--mint-100), var(--honey-100));
  border: 1px solid var(--mint-200);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--mint-700);
  letter-spacing: 0.06em;
}
.jar-label::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--mint-400);
}

/* 清新渐变背景 */
.fresh-bg {
  background:
    radial-gradient(ellipse at 10% 20%, rgba(156, 221, 182, 0.25) 0%, transparent 50%),
    radial-gradient(ellipse at 90% 80%, rgba(245, 224, 148, 0.2) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(217, 232, 210, 0.3) 0%, transparent 60%),
    var(--glass-50);
}
.mint-bg { background: var(--mint-50); }
.honey-bg { background: var(--honey-50); }
.glass-light-bg { background: var(--glass-100); }
.dark-fresh-bg {
  background: linear-gradient(135deg, var(--mint-800), var(--glass-800));
  color: var(--glass-50);
}
.dark-fresh-bg h2, .dark-fresh-bg h3, .dark-fresh-bg h4 { color: var(--glass-50); }

/* ==========================================================================
   顶部导航（固定，滚动变色，移动端汉堡菜单）
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(250, 252, 249, 0.72);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: all .4s var(--ease);
}
.site-header.scrolled {
  background: rgba(250, 252, 249, 0.95);
  border-bottom-color: var(--glass-200);
  box-shadow: var(--shadow-sm);
}
.header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand {
  display: flex; align-items: center; gap: 12px;
  font-weight: 600; font-size: 1.15rem; color: var(--ink-800);
  letter-spacing: 0.02em;
}
.brand img { width: 40px; height: 40px; border-radius: 10px; object-fit: cover; }
.brand .brand-mark {
  width: 40px; height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--mint-400), var(--mint-600));
  display: grid; place-items: center; color: #fff;
  font-size: 1.1rem; font-weight: 700;
  box-shadow: 0 4px 14px rgba(74, 182, 116, 0.35);
  position: relative;
}
.brand .brand-mark::after {
  content: "";
  position: absolute;
  inset: 3px;
  border-radius: 9px;
  border: 1.5px solid rgba(255,255,255,0.3);
}
.brand-text small {
  display: block; font-size: 0.6rem; font-weight: 400;
  color: var(--ink-400); letter-spacing: 0.18em;
  text-transform: uppercase; margin-top: 2px;
}

.main-nav { display: flex; align-items: center; gap: 2px; }
.main-nav > li { position: relative; }
.main-nav > li > a {
  display: block;
  padding: 10px 14px;
  font-size: 0.9rem;
  color: var(--ink-600);
  border-radius: 8px;
  transition: all .3s var(--ease);
  position: relative;
}
.main-nav > li > a:hover,
.main-nav > li.active > a {
  color: var(--mint-700);
  background: var(--mint-50);
}
/* 下拉菜单 */
.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px); left: 0;
  min-width: 240px;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-200);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 10px;
  opacity: 0; visibility: hidden;
  transform: translateY(12px);
  transition: all .35s var(--ease);
  max-height: 72vh;
  overflow-y: auto;
}
.dropdown-menu::before {
  content: "";
  position: absolute;
  top: -6px; left: 24px;
  width: 12px; height: 12px;
  background: rgba(255,255,255,0.92);
  border-left: 1px solid var(--glass-200);
  border-top: 1px solid var(--glass-200);
  transform: rotate(45deg);
}
.main-nav li:hover > .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-menu li a {
  display: block;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 0.86rem;
  color: var(--ink-600);
  transition: all .25s var(--ease);
}
.dropdown-menu li a:hover {
  background: var(--mint-50);
  color: var(--mint-700);
  padding-left: 20px;
}

.nav-cta {
  margin-left: 12px;
  padding: 10px 26px;
  background: linear-gradient(135deg, var(--mint-500), var(--mint-600));
  color: #fff;
  border-radius: 100px;
  font-size: 0.88rem;
  font-weight: 500;
  transition: all .3s var(--ease);
  box-shadow: 0 4px 14px rgba(74, 182, 116, 0.3);
}
.nav-cta:hover {
  background: linear-gradient(135deg, var(--mint-600), var(--mint-700));
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(74, 182, 116, 0.4);
}

/* 汉堡按钮 */
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border-radius: 10px;
  background: var(--mint-50);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}
.nav-toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--mint-700);
  border-radius: 2px;
  transition: all .3s var(--ease);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 移动抽屉 */
.mobile-drawer {
  position: fixed;
  top: 76px; right: 0;
  width: 82%; max-width: 340px;
  height: calc(100vh - 76px);
  background: rgba(250, 252, 249, 0.98);
  backdrop-filter: blur(20px);
  border-left: 1px solid var(--glass-200);
  box-shadow: var(--shadow-lg);
  padding: 24px;
  transform: translateX(100%);
  transition: transform .4s var(--ease-out);
  overflow-y: auto;
  z-index: 999;
}
.mobile-drawer.open { transform: translateX(0); }
.mobile-drawer > li > a {
  display: block;
  padding: 14px 16px;
  border-bottom: 1px solid var(--glass-200);
  color: var(--ink-700);
  font-weight: 500;
  font-size: 0.95rem;
  border-radius: 8px;
}
.mobile-drawer > li > a:hover { color: var(--mint-700); background: var(--mint-50); }
.mobile-sub { padding-left: 16px; }
.mobile-sub li a {
  display: block;
  padding: 10px 14px;
  font-size: 0.86rem;
  color: var(--ink-500);
  border-bottom: 1px dotted var(--glass-300);
}
.overlay {
  position: fixed; inset: 0;
  background: rgba(28, 34, 26, 0.4);
  opacity: 0; visibility: hidden;
  transition: all .35s var(--ease);
  z-index: 998;
}
.overlay.show { opacity: 1; visibility: visible; }

/* ==========================================================================
   按钮
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 32px;
  border-radius: 100px;
  font-size: 0.92rem;
  font-weight: 500;
  transition: all .35s var(--ease);
  border: 1px solid transparent;
  cursor: pointer;
  letter-spacing: 0.02em;
}
.btn-primary {
  background: linear-gradient(135deg, var(--mint-500), var(--mint-600));
  color: #fff;
  box-shadow: 0 4px 16px rgba(74, 182, 116, 0.3);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--mint-600), var(--mint-700));
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(74, 182, 116, 0.4);
}
.btn-honey {
  background: linear-gradient(135deg, var(--honey-400), var(--honey-500));
  color: var(--ink-800);
  box-shadow: 0 4px 16px rgba(232, 185, 58, 0.3);
}
.btn-honey:hover {
  background: linear-gradient(135deg, var(--honey-500), var(--honey-600));
  color: var(--ink-800);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(232, 185, 58, 0.4);
}
.btn-outline {
  border-color: var(--mint-300);
  color: var(--mint-700);
  background: rgba(255,255,255,0.6);
}
.btn-outline:hover {
  background: var(--mint-500);
  color: #fff;
  border-color: var(--mint-500);
  transform: translateY(-2px);
}
.btn-ghost {
  background: rgba(255,255,255,0.5);
  color: var(--ink-700);
  border: 1px solid var(--glass-300);
}
.btn-ghost:hover {
  background: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}
.btn-lg { padding: 16px 40px; font-size: 1rem; }
.btn-sm { padding: 9px 22px; font-size: 0.84rem; }

.txt-link {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--mint-600); font-weight: 500; font-size: 0.9rem;
  border-bottom: 1px solid var(--mint-300);
  padding-bottom: 2px;
  transition: all .3s var(--ease);
}
.txt-link::after { content: "→"; transition: transform .3s var(--ease); }
.txt-link:hover { color: var(--mint-800); border-bottom-color: var(--mint-600); }
.txt-link:hover::after { transform: translateX(4px); }

/* ==========================================================================
   板块标题
   ========================================================================== */
.section { padding: 100px 0; }
.section-tight { padding: 64px 0; }

.section-head { max-width: 700px; margin-bottom: 52px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 6px 18px;
  background: var(--mint-50);
  color: var(--mint-700);
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 20px;
  border: 1px solid var(--mint-200);
}
.eyebrow::before {
  content: "";
  width: 16px; height: 2px;
  background: var(--mint-400);
  border-radius: 2px;
}
.eyebrow.honey { background: var(--honey-50); color: var(--honey-700); border-color: var(--honey-200); }
.eyebrow.honey::before { background: var(--honey-400); }
.eyebrow.dark { background: rgba(255,255,255,0.12); color: var(--mint-200); border-color: rgba(255,255,255,0.2); }
.eyebrow.dark::before { background: var(--mint-300); }
.section-head p { font-size: 1.02rem; color: var(--ink-500); margin-top: 16px; }
.section-head.center p { margin-left: auto; margin-right: auto; }

/* ==========================================================================
   英雄区（首页横幅）—— 曲面玻璃罐式
   ========================================================================== */
.hero-home {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 130px 0 80px;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 15% 85%, rgba(156, 221, 182, 0.3) 0%, transparent 45%),
    radial-gradient(ellipse at 85% 15%, rgba(245, 224, 148, 0.25) 0%, transparent 40%),
    radial-gradient(ellipse at 50% 50%, rgba(217, 232, 210, 0.2) 0%, transparent 60%),
    var(--glass-50);
}
/* 曲面装饰圆 */
.hero-home::before {
  content: "";
  position: absolute;
  top: -10%; right: -5%;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(156, 221, 182, 0.2) 0%, transparent 65%);
  pointer-events: none;
}
.hero-home::after {
  content: "";
  position: absolute;
  bottom: -15%; left: -8%;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245, 224, 148, 0.18) 0%, transparent 65%);
  pointer-events: none;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 70px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.hero-text .eyebrow { margin-bottom: 28px; }
.hero-title {
  margin-bottom: 24px;
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.25;
}
.hero-title .accent {
  background: linear-gradient(135deg, var(--mint-500), var(--mint-700));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}
.hero-title .accent-honey {
  background: linear-gradient(135deg, var(--honey-500), var(--honey-700));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-desc {
  font-size: 1.05rem;
  margin-bottom: 38px;
  max-width: 540px;
  line-height: 1.9;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 52px; }
.hero-stats {
  display: flex;
  gap: 0;
  flex-wrap: wrap;
  border-top: 1px solid var(--glass-300);
  padding-top: 28px;
}
.hero-stat {
  padding: 0 32px;
  border-right: 1px solid var(--glass-300);
}
.hero-stat:first-child { padding-left: 0; }
.hero-stat:last-child { border-right: 0; }
.hero-stat .num {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--mint-700);
  line-height: 1;
}
.hero-stat .lbl {
  font-size: 0.82rem;
  color: var(--ink-400);
  margin-top: 8px;
  letter-spacing: 0.05em;
}

/* 英雄区图片：玻璃罐陈列式 */
.hero-jar {
  position: relative;
  height: 520px;
}
.hero-jar .jar-item {
  position: absolute;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform .5s var(--ease);
  border: 3px solid rgba(255,255,255,0.7);
}
.hero-jar .jar-item img {
  width: 100%; height: 100%; object-fit: cover;
}
.hero-jar .jar-item:hover { transform: translateY(-8px) scale(1.02); }
.hero-jar .jar-1 {
  top: 0; left: 8%;
  width: 58%; height: 55%;
  transform: rotate(-2deg);
  z-index: 2;
  border-radius: var(--radius-xl) var(--radius-lg) var(--radius-xl) var(--radius-lg);
}
.hero-jar .jar-2 {
  top: 12%; right: 0;
  width: 46%; height: 42%;
  transform: rotate(3deg);
  z-index: 3;
  border-radius: var(--radius-lg) var(--radius-xl) var(--radius-lg) var(--radius-xl);
}
.hero-jar .jar-3 {
  bottom: 0; left: 15%;
  width: 55%; height: 48%;
  transform: rotate(1deg);
  z-index: 1;
  border-radius: var(--radius-xl) var(--radius-lg) var(--radius-xl) var(--radius-lg);
}
.hero-jar .jar-badge {
  position: absolute;
  bottom: 10%; right: 5%;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
  padding: 18px 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid rgba(255,255,255,0.9);
  z-index: 4;
}
.hero-jar .jar-badge strong {
  display: block;
  color: var(--mint-700);
  font-size: 1.1rem;
  font-weight: 600;
}
.hero-jar .jar-badge small {
  color: var(--ink-400);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}

/* ==========================================================================
   核心优势：玻璃罐分层式
   ========================================================================== */
.jar-stack {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.jar-layer {
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.8);
  border-radius: var(--radius-lg);
  padding: 44px 40px;
  position: relative;
  transition: all .4s var(--ease);
  overflow: hidden;
}
.jar-layer::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--mint-400), var(--honey-400));
}
.jar-layer:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}
.jar-layer .jl-icon {
  width: 56px; height: 56px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--mint-100), var(--mint-200));
  display: grid; place-items: center;
  margin-bottom: 22px;
  color: var(--mint-600);
}
.jar-layer:nth-child(even) .jl-icon {
  background: linear-gradient(135deg, var(--honey-100), var(--honey-200));
  color: var(--honey-600);
}
.jar-layer h3 { margin-bottom: 14px; }
.jar-layer p { font-size: 0.94rem; line-height: 1.85; }

/* ==========================================================================
   服务卡片：清新排列式
   ========================================================================== */
.fresh-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.fresh-card {
  background: rgba(255,255,255,0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-lg);
  padding: 36px 30px;
  position: relative;
  transition: all .4s var(--ease);
  border: 1px solid rgba(255,255,255,0.8);
  overflow: hidden;
}
.fresh-card::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--mint-400), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .4s var(--ease);
}
.fresh-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow);
}
.fresh-card:hover::after { transform: scaleX(1); }
.fresh-card .fc-num {
  font-size: 2.6rem;
  font-weight: 300;
  color: var(--mint-200);
  line-height: 1;
  margin-bottom: 14px;
}
.fresh-card h4 {
  margin-bottom: 12px;
  font-size: 1.08rem;
  color: var(--ink-800);
}
.fresh-card p { font-size: 0.88rem; line-height: 1.8; }
.fresh-card .fc-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 18px;
  font-size: 0.84rem;
  color: var(--mint-600);
  font-weight: 500;
}
.fresh-card .fc-link::after { content: "→"; transition: transform .3s; }
.fresh-card:hover .fc-link::after { transform: translateX(4px); }

/* ==========================================================================
   流程时间线：清新节点式
   ========================================================================== */
.fresh-timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  position: relative;
  padding: 20px 0;
}
.fresh-timeline::before {
  content: "";
  position: absolute;
  top: 52px; left: 10%; right: 10%;
  height: 2px;
  background: linear-gradient(90deg, var(--mint-300), var(--honey-300), var(--mint-300));
  border-radius: 2px;
}
.fresh-step {
  text-align: center;
  padding: 0 14px;
  position: relative;
  z-index: 1;
}
.fresh-step .step-dot {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--mint-400);
  color: var(--mint-600);
  font-size: 1rem;
  font-weight: 600;
  display: grid; place-items: center;
  margin: 0 auto 22px;
  transition: all .3s var(--ease);
  box-shadow: 0 4px 12px rgba(74, 182, 116, 0.2);
}
.fresh-step:hover .step-dot {
  background: var(--mint-500);
  color: #fff;
  border-color: var(--mint-500);
  transform: scale(1.12);
}
.fresh-step h4 { margin-bottom: 8px; font-size: 1rem; }
.fresh-step p { font-size: 0.84rem; line-height: 1.7; }

/* ==========================================================================
   案例卡片
   ========================================================================== */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.case-card {
  background: rgba(255,255,255,0.8);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all .4s var(--ease);
  border: 1px solid rgba(255,255,255,0.9);
  display: flex;
  flex-direction: column;
}
.case-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow);
}
.case-img {
  position: relative;
  overflow: hidden;
  height: 230px;
}
.case-img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .6s var(--ease);
}
.case-card:hover .case-img img { transform: scale(1.06); }
.case-tag {
  position: absolute;
  top: 16px; left: 16px;
  padding: 5px 14px;
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(8px);
  color: var(--mint-700);
  border-radius: 100px;
  font-size: 0.76rem;
  font-weight: 500;
  border: 1px solid var(--mint-200);
}
.case-body { padding: 26px; flex: 1; display: flex; flex-direction: column; }
.case-title { font-size: 1.12rem; margin-bottom: 10px; color: var(--ink-800); }
.case-desc { font-size: 0.9rem; margin-bottom: 18px; flex: 1; }
.case-meta {
  display: flex; justify-content: space-between;
  font-size: 0.8rem; color: var(--ink-400);
  padding-top: 14px;
  border-top: 1px dashed var(--glass-300);
}

/* ==========================================================================
   资讯卡片
   ========================================================================== */
.news-quilt {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.news-card {
  background: rgba(255,255,255,0.8);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all .4s var(--ease);
  border: 1px solid rgba(255,255,255,0.9);
  display: flex;
  flex-direction: column;
}
.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}
.news-img { height: 190px; overflow: hidden; }
.news-img img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .6s var(--ease);
}
.news-card:hover .news-img img { transform: scale(1.05); }
.news-body { padding: 22px 24px; flex: 1; display: flex; flex-direction: column; }
.news-date {
  font-size: 0.8rem;
  color: var(--mint-600);
  font-weight: 500;
  margin-bottom: 10px;
  letter-spacing: 0.04em;
}
.news-title {
  font-size: 1.05rem;
  margin-bottom: 10px;
  line-height: 1.5;
  color: var(--ink-800);
}
.news-excerpt { font-size: 0.88rem; flex: 1; margin-bottom: 14px; }
.news-foot {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.76rem; color: var(--ink-400);
  padding-top: 12px;
  border-top: 1px dashed var(--glass-300);
}

/* 资讯列表页布局 */
.news-list-layout {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

/* 资讯筛选条 */
.news-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
  padding: 16px 20px;
  background: rgba(255,255,255,0.6);
  backdrop-filter: blur(10px);
  border-radius: var(--radius);
  border: 1px solid var(--glass-200);
}
.filter-chip {
  padding: 7px 18px;
  border-radius: 100px;
  font-size: 0.84rem;
  color: var(--ink-500);
  background: transparent;
  cursor: pointer;
  transition: all .3s var(--ease);
  border: 1px solid transparent;
}
.filter-chip:hover { color: var(--mint-700); background: var(--mint-50); }
.filter-chip.active {
  background: var(--mint-500);
  color: #fff;
  box-shadow: 0 3px 10px rgba(74, 182, 116, 0.3);
}

/* ==========================================================================
   数据统计带
   ========================================================================== */
.fresh-band {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  background: linear-gradient(135deg, var(--mint-700), var(--mint-800));
  border-radius: var(--radius-lg);
  padding: 48px 32px;
  position: relative;
  overflow: hidden;
}
.fresh-band::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--honey-400), var(--mint-300), var(--honey-400));
}
.fresh-band::after {
  content: "";
  position: absolute;
  top: -50%; right: -10%;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245, 224, 148, 0.15) 0%, transparent 70%);
}
.fresh-item {
  text-align: center;
  padding: 0 20px;
  border-right: 1px solid rgba(255,255,255,0.12);
  position: relative;
  z-index: 1;
}
.fresh-item:last-child { border-right: 0; }
.fresh-num {
  font-size: 2.6rem;
  font-weight: 700;
  color: #fff;
  line-height: 1;
  margin-bottom: 10px;
}
.fresh-lbl {
  font-size: 0.88rem;
  color: var(--mint-200);
  letter-spacing: 0.06em;
}

/* ==========================================================================
   CTA 横幅
   ========================================================================== */
.cta-banner {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 32px;
  align-items: center;
  background: linear-gradient(135deg, var(--mint-700), var(--glass-800));
  border-radius: var(--radius-lg);
  padding: 56px 52px;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: "";
  position: absolute;
  top: -30%; right: -5%;
  width: 280px; height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245, 224, 148, 0.2) 0%, transparent 70%);
}
.cta-banner::after {
  content: "";
  position: absolute;
  bottom: -20%; left: 5%;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(156, 221, 182, 0.15) 0%, transparent 70%);
}
.cta-banner h2 { color: #fff; margin-bottom: 12px; position: relative; z-index: 1; }
.cta-banner p { color: rgba(255,255,255,0.75); position: relative; z-index: 1; }
.cta-banner .flex { justify-content: flex-end; position: relative; z-index: 1; }

/* ==========================================================================
   页脚
   ========================================================================== */
.site-footer {
  background: linear-gradient(180deg, var(--ink-800), var(--ink-900));
  color: var(--glass-300);
  padding: 80px 0 0;
  position: relative;
}
.site-footer::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--mint-400), var(--honey-400), var(--mint-400));
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr 1.3fr;
  gap: 44px;
  padding-bottom: 52px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-col h4 {
  color: #fff;
  font-size: 0.95rem;
  margin-bottom: 22px;
  letter-spacing: 0.06em;
  font-weight: 600;
  position: relative;
  padding-bottom: 10px;
}
.footer-col h4::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0;
  width: 28px; height: 2px;
  background: var(--mint-400);
  border-radius: 2px;
}
.footer-col p {
  color: var(--ink-400);
  font-size: 0.88rem;
  line-height: 1.9;
}
.footer-col ul li { margin-bottom: 11px; }
.footer-col ul li a {
  color: var(--glass-300);
  font-size: 0.88rem;
  transition: all .3s var(--ease);
}
.footer-col ul li a:hover {
  color: var(--mint-300);
  padding-left: 5px;
}
.footer-contact li {
  display: flex; gap: 10px; align-items: flex-start;
  margin-bottom: 14px;
  font-size: 0.88rem;
  color: var(--glass-300);
  line-height: 1.6;
}
.footer-contact .ic {
  color: var(--mint-400);
  flex-shrink: 0;
  margin-top: 3px;
}
.footer-bottom {
  padding: 26px 0;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 12px;
  font-size: 0.82rem; color: var(--ink-400);
}
.footer-bottom a { color: var(--ink-400); }
.footer-bottom a:hover { color: var(--mint-400); }
.footer-icp a { color: var(--glass-400); }
.footer-social { display: flex; gap: 10px; margin-top: 20px; }
.footer-social a {
  width: 38px; height: 38px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.15);
  display: grid; place-items: center;
  color: var(--glass-300);
  transition: all .3s var(--ease);
}
.footer-social a:hover {
  background: var(--mint-600);
  color: #fff;
  border-color: var(--mint-600);
  transform: translateY(-2px);
}

/* ==========================================================================
   页面通用：面包屑、页头横幅
   ========================================================================== */
.page-hero {
  padding: 148px 0 70px;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 15% 30%, rgba(156, 221, 182, 0.2) 0%, transparent 45%),
    radial-gradient(circle at 85% 70%, rgba(245, 224, 148, 0.15) 0%, transparent 45%),
    var(--glass-50);
  border-bottom: 1px solid var(--glass-200);
}
.page-hero::after {
  content: "";
  position: absolute;
  left: 50%; bottom: -1px;
  width: 80px; height: 3px;
  background: linear-gradient(90deg, var(--mint-400), var(--honey-400));
  transform: translateX(-50%);
  border-radius: 2px;
}
.breadcrumb {
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
  font-size: 0.84rem; color: var(--ink-400);
  margin-bottom: 20px;
}
.breadcrumb a:hover { color: var(--mint-600); }
.breadcrumb span.sep { color: var(--glass-400); }
.page-hero h1 { margin-bottom: 16px; }
.page-hero p { font-size: 1.05rem; max-width: 660px; }

/* ==========================================================================
   表单
   ========================================================================== */
.form-row { margin-bottom: 22px; }
.form-label {
  display: block;
  font-size: 0.88rem;
  color: var(--ink-700);
  margin-bottom: 8px;
  font-weight: 500;
}
.form-label .req { color: var(--mint-600); }
.form-control {
  width: 100%;
  padding: 13px 18px;
  background: rgba(255,255,255,0.7);
  border: 1px solid var(--glass-300);
  border-radius: var(--radius-sm);
  font-size: 0.94rem;
  transition: all .3s var(--ease);
  color: var(--ink-700);
}
.form-control:focus {
  outline: none;
  border-color: var(--mint-400);
  box-shadow: 0 0 0 3px rgba(74, 182, 116, 0.12);
  background: #fff;
}
textarea.form-control { min-height: 140px; resize: vertical; }
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

/* ==========================================================================
   工具类
   ========================================================================== */
.text-center { text-align: center; }
.text-right  { text-align: right; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-2 { margin-top: 16px; }
.mt-4 { margin-top: 32px; }
.mb-2 { margin-bottom: 16px; }
.mb-4 { margin-bottom: 32px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.flex   { display: flex; }
.flex-center { display: flex; align-items: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-1 { gap: 8px; } .gap-2 { gap: 16px; } .gap-3 { gap: 24px; }
.tag {
  display: inline-block; padding: 4px 14px;
  background: var(--mint-50); color: var(--mint-700);
  border-radius: 100px; font-size: 0.76rem; font-weight: 500;
  border: 1px solid var(--mint-200);
}
.tag.honey { background: var(--honey-50); color: var(--honey-700); border-color: var(--honey-200); }

/* ==========================================================================
   滚动渐入动画
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.reveal.in { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .2s; }
.reveal-delay-3 { transition-delay: .3s; }
.reveal-delay-4 { transition-delay: .4s; }

/* 返回顶部 */
.back-to-top {
  position: fixed; right: 28px; bottom: 28px;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--mint-500), var(--mint-600));
  color: #fff;
  display: grid; place-items: center;
  box-shadow: 0 4px 16px rgba(74, 182, 116, 0.35);
  opacity: 0; visibility: hidden;
  transition: all .3s;
  z-index: 900;
}
.back-to-top.show { opacity: 1; visibility: visible; }
.back-to-top:hover {
  background: linear-gradient(135deg, var(--mint-600), var(--mint-700));
  transform: translateY(-3px);
  box-shadow: 0 6px 22px rgba(74, 182, 116, 0.45);
}