/* ============================================================
   GREENSTORE 储能 — 全站主样式 (style.css)
   蓝绿活力 · 绿色能源 | 白色/深色交替 | 毛玻璃卡片
   主色：#00897B (teal)  点缀：#10B981 (green)
   ============================================================ */

/* ---------- 设计变量 ---------- */
:root {
  --teal: #00897B;
  --teal-dark: #00695C;
  --teal-deep: #004D40;
  --teal-light: #4DB6AC;
  --green: #10B981;
  --green-light: #34D399;
  --green-bright: #2DD4BF;
  --navy: #0B1F26;        /* 深色区背景 */
  --navy-2: #102A33;
  --navy-3: #16363F;
  --ink: #12282F;          /* 正文深色 */
  --text: #24343A;
  --text-2: #4E5F66;
  --text-3: #7C8B91;
  --bg: #FFFFFF;
  --bg-soft: #F1F8F6;      /* 浅蓝绿 */
  --bg-mint: #E7F5F1;
  --line: #DFEDEA;
  --glass: rgba(255,255,255,0.72);
  --glass-border: rgba(16,185,129,0.25);
  --white: #FFFFFF;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow: 0 10px 34px rgba(0,105,92,0.10);
  --shadow-lg: 0 22px 60px rgba(0,105,92,0.18);
  --shadow-teal: 0 14px 40px rgba(0,137,123,0.30);
  --font: "Noto Sans SC", "HarmonyOS Sans SC", "MiSans", -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --mono: "SF Mono", "Cascadia Code", "JetBrains Mono", "Noto Sans Mono", Consolas, "Courier New", monospace;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --header-h: 74px;
}

/* ---------- 重置与基础 ---------- */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; text-rendering: optimizeLegibility; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; overflow-x: hidden; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  font-size: 15px;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color .25s, opacity .25s, transform .25s; cursor: pointer; }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, textarea, select { font-family: inherit; font-size: 1rem; }
h1, h2, h3, h4, h5 { color: var(--ink); font-weight: 700; line-height: 1.3; }
h1 { font-size: clamp(1.9rem, 4vw, 3rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
h3 { font-size: 1.15rem; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

section { scroll-margin-top: 90px; }

/* 屏幕阅读器隐藏 */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* 通用区块 */
.section { padding: 88px 0; }
.section--soft { background: var(--bg-soft); }
.section--dark { background: linear-gradient(180deg, var(--navy) 0%, var(--navy-2) 100%); }

.section-head { text-align: center; max-width: 720px; margin: 0 auto 52px; }
.section-tag {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--teal); font-weight: 600; font-size: 0.82rem;
  letter-spacing: .16em; text-transform: uppercase;
  background: var(--bg-mint); border: 1px solid var(--glass-border);
  padding: 6px 16px; border-radius: 999px; margin-bottom: 16px;
}
.section-tag i { color: var(--green); }
.section-title { margin-bottom: 14px; }
.section-title em { font-style: normal; color: var(--teal); }
.section-subtitle { color: var(--text-2); font-size: 1.02rem; }
.section--dark .section-title { color: #EAF6F3; }
.section--dark .section-subtitle { color: rgba(226,244,239,0.72); }
.section--dark .section-tag { background: rgba(16,185,129,0.12); color: var(--green-light); border-color: rgba(16,185,129,0.3); }

/* 区头两端对齐（左标题右链接） */
.section-head-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; flex-wrap: wrap; margin-bottom: 44px; }
.section-head-row .section-tag { margin-bottom: 10px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 600; font-size: 0.95rem; line-height: 1;
  padding: 14px 28px; border-radius: 999px;
  transition: all .28s var(--ease); border: 1px solid transparent;
  white-space: nowrap;
}
.btn i { font-size: 0.9em; transition: transform .28s var(--ease); }
.btn:hover i { transform: translateX(3px); }
.btn--primary { background: linear-gradient(120deg, var(--teal) 0%, var(--green) 100%); color: #fff; box-shadow: var(--shadow-teal); }
.btn--primary:hover { transform: translateY(-3px); box-shadow: 0 18px 46px rgba(0,137,123,0.38); }
.btn--outline { background: transparent; color: var(--teal); border-color: var(--teal); }
.btn--outline:hover { background: var(--teal); color: #fff; }
.btn--ghost { background: transparent; color: var(--teal); }
.btn--ghost:hover { color: var(--teal-dark); }
.btn--light { background: #fff; color: var(--teal-dark); }
.btn--light:hover { transform: translateY(-3px); box-shadow: 0 14px 34px rgba(0,0,0,0.18); }
.btn--sm { padding: 11px 20px; font-size: 0.87rem; }
.btn--lg { padding: 17px 38px; font-size: 1.05rem; }
.btn--block { width: 100%; }

/* ============================================================
   头部导航
   ============================================================ */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--header-h);
  background: #fff;
  border-bottom: 1px solid transparent;
  transition: all .35s var(--ease);
}
.header.scrolled { box-shadow: 0 6px 24px rgba(11,31,38,0.10); border-color: var(--line); }
.header__inner { height: var(--header-h); display: flex; align-items: center; justify-content: space-between; gap: 12px; }

/* 首页渐变半透明 header（仅首页，Hero 为深色底，见 13.11） */
.header--home { background: linear-gradient(180deg, rgba(0,77,64,0.62) 0%, rgba(0,105,92,0.30) 100%); border-bottom-color: rgba(255,255,255,0.16); }
.header--home.scrolled { background: #fff; }
.header--home .logo__name { color: #fff; }
.header--home .logo__sub { color: rgba(255,255,255,0.72); }
.header--home .nav__link { color: rgba(255,255,255,0.94); }
.header--home .nav__link::after { background: var(--green-light); }
.header--home .nav__link:hover, .header--home .nav__link.active { color: #fff; }
.header--home .hamburger span { background: #fff; }
.header--home.scrolled .logo__name { color: var(--ink); }
.header--home.scrolled .logo__sub { color: var(--text-3); }
.header--home.scrolled .nav__link { color: var(--text); }
.header--home.scrolled .nav__link:hover, .header--home.scrolled .nav__link.active { color: var(--teal); }
.header--home.scrolled .hamburger span { background: var(--ink); }

/* Logo */
.logo { display: flex; align-items: center; gap: 12px; }
.logo__icon {
  width: 44px; height: 44px; border-radius: 13px; flex-shrink: 0;
  display: inline-flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--teal) 0%, var(--green) 100%);
  color: #fff; font-size: 1.25rem;
  box-shadow: 0 8px 20px rgba(0,137,123,0.35);
  position: relative; overflow: hidden;
}
.logo__icon::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.35) 50%, transparent 70%);
  animation: energyFlow 3.2s linear infinite;
}
.logo__text { display: flex; flex-direction: column; line-height: 1.2; }
.logo__name { font-size: 1.18rem; font-weight: 800; color: var(--ink); letter-spacing: .02em; }
.logo__sub { font-size: 0.6rem; color: var(--text-3); letter-spacing: .22em; text-transform: uppercase; }

/* 主导航 */
.nav { display: flex; align-items: center; gap: 2px; flex-shrink: 0; }
.nav__link, .nav__item > a.nav__link {
  position: relative; display: inline-flex; align-items: center; gap: 5px;
  padding: 10px 10px; font-size: 0.95rem; font-weight: 500; color: var(--text);
  white-space: nowrap; flex-shrink: 0;
}
.nav__link::after {
  content: ""; position: absolute; left: 13px; right: 13px; bottom: 4px; height: 2px;
  background: var(--teal); border-radius: 2px;
  transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease);
}
.nav__link:hover { color: var(--teal); }
.nav__link:hover::after, .nav__link.active::after { transform: scaleX(1); }
.nav__link.active { color: var(--teal); font-weight: 600; }
.nav__caret { font-size: 0.55rem; opacity: 0.65; transition: transform .3s var(--ease); }
.nav__item:hover .nav__caret { transform: rotate(180deg); }

/* 下拉菜单 (13.3 高 z-index) */
.nav__item { position: relative; }
.nav__dropdown {
  position: absolute; top: calc(100% + 10px); left: 50%; transform: translateX(-50%);
  min-width: 168px; padding: 8px; border-radius: var(--radius-sm);
  background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-lg);
  z-index: 200; opacity: 0; visibility: hidden; transition: all .28s var(--ease);
}
.nav__item:hover .nav__dropdown { opacity: 1; visibility: visible; top: calc(100% + 4px); }
.nav__dropdown a {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 14px; border-radius: 8px; font-size: 0.9rem; color: var(--text);
}
.nav__dropdown a i { color: var(--teal); font-size: 0.85rem; width: 16px; }
.nav__dropdown a:hover { background: var(--bg-soft); color: var(--teal); padding-left: 18px; }

/* 右侧操作 */
.header__actions { display: flex; align-items: center; gap: 10px; }
.header__cta { box-shadow: 0 8px 22px rgba(0,137,123,0.28); }

/* 汉堡菜单 (13.4 独立子元素) */
.hamburger {
  display: none; width: 42px; height: 42px; flex-direction: column;
  align-items: center; justify-content: center; gap: 5px;
  border-radius: 10px; z-index: 110;
}
.hamburger span { display: block; width: 22px; height: 2px; background: var(--ink); border-radius: 2px; transition: all .3s var(--ease); }
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 移动端侧滑菜单 */
.mobile-nav {
  position: fixed; top: 0; right: 0; bottom: 0; width: min(320px, 86vw); z-index: 150;
  background: #fff; box-shadow: -12px 0 40px rgba(11,31,38,0.18);
  transform: translateX(100%); transition: transform .38s var(--ease);
  overflow-y: auto;
}
.mobile-nav.open { transform: translateX(0); }
.mobile-nav__inner { padding: 24px; }
.mobile-nav__brand { display: flex; align-items: center; gap: 10px; margin-bottom: 22px; }
.mobile-nav__brand .logo__name { font-size: 1.1rem; }
.mobile-nav__link, .mobile-nav__item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 4px; border-bottom: 1px solid var(--line);
  font-size: 1rem; color: var(--text); font-weight: 500;
}
.mobile-nav__item i { color: var(--text-3); font-size: 0.7rem; transition: transform .3s var(--ease); }
.mobile-nav__sub { display: none; padding: 4px 0 10px 14px; }
.mobile-nav__sub.open { display: block; }
.mobile-nav__sub a { display: block; padding: 10px 4px; font-size: 0.92rem; color: var(--text-2); border-bottom: 1px dashed var(--line); }
.mobile-nav__sub a:hover { color: var(--teal); }
.mobile-nav__cta { margin-top: 22px; }
.mobile-nav__overlay { position: fixed; inset: 0; background: rgba(11,31,38,0.5); z-index: 140; opacity: 0; visibility: hidden; transition: all .3s; backdrop-filter: blur(2px); }
.mobile-nav__overlay.show { opacity: 1; visibility: visible; }

/* ============================================================
   首页 Banner (Hero)
   ============================================================ */
.hero {
  position: relative; min-height: 100vh; min-height: 640px;
  display: flex; align-items: center; overflow: hidden; background: var(--navy);
}
.hero-swiper { position: absolute; inset: 0; z-index: 1; }
.hero__slide { position: absolute; inset: 0; background-size: cover; background-position: center; transform: scale(1.05); }
.hero__overlay {
  position: absolute; inset: 0; z-index: 2;
  background: linear-gradient(180deg, rgba(0,61,55,0.72) 0%, rgba(0,105,92,0.38) 45%, rgba(11,31,38,0.72) 100%);
}
.hero__content {
  position: relative; z-index: 5; width: 100%;
  padding: calc(var(--header-h) + 40px) 0 90px; text-align: center; color: #fff;
}
.hero__kicker {
  display: inline-flex; align-items: center; gap: 8px; margin-bottom: 22px;
  color: var(--green-light); font-weight: 600; font-size: 0.86rem; letter-spacing: .2em;
  background: rgba(16,185,129,0.14); border: 1px solid rgba(16,185,129,0.35);
  padding: 8px 20px; border-radius: 999px; backdrop-filter: blur(4px);
}
.hero__title {
  color: #fff; font-size: clamp(2.2rem, 5.5vw, 4rem); font-weight: 800;
  line-height: 1.15; margin-bottom: 20px; letter-spacing: .02em;
}
.hero__title em {
  font-style: normal; position: relative;
  background: linear-gradient(90deg, #34D399, #A7F3D0, #34D399);
  background-size: 200% 100%; -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: textShimmer 4s linear infinite;
}
.hero__subtitle {
  max-width: 620px; margin: 0 auto 36px; font-size: clamp(1rem, 2vw, 1.22rem);
  color: rgba(255,255,255,0.9); font-weight: 300; line-height: 1.8;
}
.hero__actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.hero__actions .btn--primary { box-shadow: 0 14px 36px rgba(0,0,0,0.25); }

.hero-pagination {
  position: absolute; bottom: 44px; left: 50%; transform: translateX(-50%); z-index: 8;
  display: flex; gap: 8px; justify-content: center;
}
.hero-pagination .swiper-pagination-bullet { width: 26px; height: 4px; border-radius: 4px; background: rgba(255,255,255,0.45); opacity: 1; transition: all .3s; }
.hero-pagination .swiper-pagination-bullet-active { background: var(--green-light); width: 40px; }

.hero__arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 8;
  width: 48px; height: 48px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.14); color: #fff; font-size: 1.05rem;
  backdrop-filter: blur(6px); border: 1px solid rgba(255,255,255,0.28);
  transition: all .28s var(--ease); cursor: pointer;
}
.hero__arrow:hover { background: var(--green); color: #fff; border-color: var(--green); }
.hero__arrow--prev { left: 26px; }
.hero__arrow--next { right: 26px; }

.hero__scroll {
  position: absolute; bottom: 24px; right: 30px; z-index: 8; display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: rgba(255,255,255,0.7); font-size: 0.7rem; letter-spacing: .3em; writing-mode: vertical-lr;
}
.hero__scroll-line { width: 2px; height: 46px; background: rgba(255,255,255,0.3); border-radius: 2px; overflow: hidden; position: relative; }
.hero__scroll-line::after { content: ""; position: absolute; top: -100%; left: 0; width: 100%; height: 100%; background: var(--green-light); animation: scrollDown 2s ease-in-out infinite; }

/* 能量流动光效装饰 */
.energy-beam { position: absolute; z-index: 4; pointer-events: none; opacity: 0.35; }

/* ============================================================
   能源·数据 (数字滚动)
   ============================================================ */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 36px 24px; text-align: center; position: relative; overflow: hidden;
  transition: all .35s var(--ease);
}
.stat-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--teal), var(--green));
}
.stat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.stat-card__icon { width: 52px; height: 52px; margin: 0 auto 16px; border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 1.35rem; color: var(--teal); background: var(--bg-mint); }
.stat-card__num { font-family: var(--mono); font-size: clamp(1.7rem, 3.4vw, 2.4rem); font-weight: 800; color: var(--teal-dark); line-height: 1.1; }
.stat-card__num sup { font-size: 0.5em; color: var(--green); font-weight: 700; vertical-align: baseline; margin-left: 2px; }
.stat-card__label { margin-top: 10px; color: var(--text-2); font-size: 0.92rem; }

/* ============================================================
   毛玻璃卡片 (产品)
   ============================================================ */
.glass-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.glass-card {
  position: relative; display: block; border-radius: var(--radius-lg);
  background: var(--glass); border: 1px solid var(--glass-border);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  overflow: hidden; transition: all .35s var(--ease);
  box-shadow: 0 10px 34px rgba(0,105,92,0.06);
}
.glass-card::after {
  content: ""; position: absolute; top: 0; left: -100%; width: 60%; height: 100%;
  background: linear-gradient(100deg, transparent 0%, rgba(255,255,255,0.4) 50%, transparent 100%);
  transition: left .8s var(--ease);
}
.glass-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: rgba(16,185,129,0.5); }
.glass-card:hover::after { left: 140%; }
.glass-card__media { position: relative; aspect-ratio: 4/3; overflow: hidden; background: var(--bg-soft); }
.glass-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.glass-card:hover .glass-card__media img { transform: scale(1.07); }
.glass-card__tag {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  background: rgba(16,185,129,0.92); color: #fff; font-size: 0.75rem; font-weight: 600;
  padding: 5px 12px; border-radius: 999px; backdrop-filter: blur(4px);
}
.glass-card__body { padding: 22px; }
.glass-card__title { font-size: 1.08rem; margin-bottom: 10px; color: var(--ink); transition: color .3s; }
.glass-card:hover .glass-card__title { color: var(--teal); }
.glass-card__desc { color: var(--text-2); font-size: 0.88rem; margin-bottom: 16px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.glass-card__specs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.glass-card__spec {
  display: inline-flex; align-items: center; gap: 5px; font-size: 0.78rem; color: var(--text-2);
  background: var(--bg-mint); padding: 5px 10px; border-radius: 8px;
}
.glass-card__spec i { color: var(--teal); }
.glass-card__spec b { color: var(--teal-dark); font-weight: 700; }
.glass-card__foot { display: flex; align-items: center; justify-content: space-between; padding-top: 16px; border-top: 1px dashed var(--line); }
.glass-card__link { color: var(--teal); font-weight: 600; font-size: 0.88rem; display: inline-flex; align-items: center; gap: 6px; }
.glass-card__link i { transition: transform .3s var(--ease); }
.glass-card:hover .glass-card__link i { transform: translateX(4px); }

/* ============================================================
   解决方案 (四列图标卡)
   ============================================================ */
.solution-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.solution-card {
  position: relative; display: block; background: #fff; border-radius: var(--radius-lg);
  border: 1px solid var(--line); padding: 34px 26px 40px; overflow: hidden;
  transition: all .35s var(--ease);
}
.solution-card::before {
  content: ""; position: absolute; left: 26px; right: 26px; bottom: 0; height: 3px;
  background: linear-gradient(90deg, var(--teal), var(--green));
  transform: scaleX(0); transform-origin: left; transition: transform .4s var(--ease);
}
.solution-card:hover { transform: translateY(-8px); box-shadow: var(--shadow); border-color: var(--glass-border); }
.solution-card:hover::before { transform: scaleX(1); }
.solution-card__icon {
  width: 64px; height: 64px; border-radius: 18px; margin-bottom: 20px;
  display: flex; align-items: center; justify-content: center; font-size: 1.6rem;
  color: #fff; background: linear-gradient(135deg, var(--teal), var(--green));
  box-shadow: 0 10px 24px rgba(0,137,123,0.3); position: relative; overflow: hidden;
}
.solution-card__icon::after {
  content: ""; position: absolute; inset: 0; background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.3) 50%, transparent 70%);
  animation: energyFlow 3.6s linear infinite; z-index: 2;
}
.solution-card__icon img { width: 100%; height: 100%; object-fit: cover; border-radius: inherit; position: relative; z-index: 1; }
.solution-card__title { font-size: 1.12rem; margin-bottom: 10px; }
.solution-card__desc { color: var(--text-2); font-size: 0.9rem; margin-bottom: 18px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.solution-card__meta { display: flex; gap: 16px; color: var(--text-3); font-size: 0.82rem; }
.solution-card__meta i { color: var(--green); margin-right: 4px; }

/* ============================================================
   碳减排·数据看板 (深色)
   ============================================================ */
.dashboard { background: linear-gradient(160deg, #0E2430 0%, #102A33 55%, #0B1F26 100%); border-radius: 28px; padding: 54px; position: relative; overflow: hidden; border: 1px solid rgba(16,185,129,0.18); }
.dashboard::before { content: ""; position: absolute; top: -120px; right: -120px; width: 320px; height: 320px; border-radius: 50%; background: radial-gradient(circle, rgba(16,185,129,0.22) 0%, transparent 70%); }
.dashboard::after { content: ""; position: absolute; bottom: -100px; left: -100px; width: 280px; height: 280px; border-radius: 50%; background: radial-gradient(circle, rgba(0,137,123,0.25) 0%, transparent 70%); }
.dashboard__inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.1fr 1fr; gap: 56px; align-items: center; }
.dashboard__title { color: #fff; font-size: clamp(1.4rem, 2.6vw, 1.9rem); margin-bottom: 18px; }
.dashboard__title em { font-style: normal; color: var(--green-light); }
.dashboard__desc { color: rgba(226,244,239,0.7); margin-bottom: 34px; font-size: 0.95rem; max-width: 460px; }
.dashboard__metric { display: flex; align-items: baseline; gap: 12px; margin-bottom: 26px; }
.dashboard__metric-num { font-family: var(--mono); font-size: clamp(2.2rem, 4.5vw, 3.4rem); font-weight: 800; color: var(--green-bright); line-height: 1; text-shadow: 0 0 30px rgba(16,185,129,0.4); }
.dashboard__metric-unit { color: rgba(226,244,239,0.65); font-size: 0.95rem; }
.dashboard__metric-label { color: rgba(226,244,239,0.55); font-size: 0.85rem; display: block; margin-top: 4px; }

/* 柱状进度条 */
.bar-chart { display: grid; gap: 18px; }
.bar-chart__row { display: grid; grid-template-columns: 84px 1fr 64px; align-items: center; gap: 14px; }
.bar-chart__label { color: rgba(226,244,239,0.75); font-size: 0.85rem; }
.bar-chart__track { height: 12px; background: rgba(255,255,255,0.08); border-radius: 8px; overflow: hidden; }
.bar-chart__fill { height: 100%; border-radius: 8px; background: linear-gradient(90deg, var(--teal), var(--green)); width: 0; transition: width 1.6s var(--ease); position: relative; }
.bar-chart__fill::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, transparent 30%, rgba(255,255,255,0.35) 50%, transparent 70%); animation: energyFlow 2.4s linear infinite; }
.bar-chart__val { font-family: var(--mono); color: var(--green-light); font-size: 0.9rem; text-align: right; }

/* ============================================================
   项目案例 (实景大图)
   ============================================================ */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.case-card {
  position: relative; display: block; border-radius: var(--radius-lg); overflow: hidden;
  aspect-ratio: 4/3; box-shadow: var(--shadow);
}
.case-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.case-card:hover img { transform: scale(1.08); }
.case-card__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(6,26,28,0.86) 100%);
  display: flex; align-items: flex-end; padding: 26px;
  transition: background .4s var(--ease);
}
.case-card:hover .case-card__overlay { background: linear-gradient(180deg, rgba(0,137,123,0.25) 0%, rgba(6,26,28,0.92) 100%); }
.case-card__body { color: #fff; width: 100%; }
.case-card__tag { font-size: 0.72rem; letter-spacing: .14em; color: var(--green-light); text-transform: uppercase; margin-bottom: 8px; display: block; }
.case-card__title { color: #fff; font-size: 1.12rem; margin-bottom: 8px; }
.case-card__meta { display: flex; gap: 16px; font-size: 0.8rem; color: rgba(255,255,255,0.72); }
.case-card__meta i { color: var(--green-light); margin-right: 4px; }
.case-card__more { margin-top: 12px; font-size: 0.85rem; color: var(--green-light); display: inline-flex; align-items: center; gap: 6px; opacity: 0; transform: translateY(8px); transition: all .4s var(--ease); }
.case-card:hover .case-card__more { opacity: 1; transform: translateY(0); }

/* ============================================================
   技术·核心能力 (四列等宽 + 连线)
   ============================================================ */
.tech-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
.tech-card {
  position: relative; background: rgba(255,255,255,0.04); border: 1px solid rgba(16,185,129,0.16);
  border-radius: var(--radius-lg); padding: 32px 24px; text-align: center;
  backdrop-filter: blur(6px); transition: all .35s var(--ease);
}
.tech-card:hover { transform: translateY(-6px); border-color: rgba(16,185,129,0.45); background: rgba(16,185,129,0.08); }
.tech-card__num { font-family: var(--mono); font-size: 0.78rem; color: var(--green-light); letter-spacing: .2em; margin-bottom: 14px; display: block; }
.tech-card__icon { width: 60px; height: 60px; margin: 0 auto 18px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; color: var(--green-bright); background: rgba(16,185,129,0.12); border: 1px solid rgba(16,185,129,0.3); position: relative; }
.tech-card__icon::after { content: ""; position: absolute; inset: -6px; border-radius: 50%; border: 1px solid rgba(16,185,129,0.2); animation: ringPulse 2.4s ease-out infinite; }
.tech-card__title { color: #fff; font-size: 1.05rem; margin-bottom: 10px; }
.tech-card__param { font-family: var(--mono); color: var(--green-light); font-size: 0.85rem; margin-bottom: 8px; }
.tech-card__desc { color: rgba(226,244,239,0.6); font-size: 0.85rem; }

/* ============================================================
   新闻 (左大右小)
   ============================================================ */
.news-split { display: grid; grid-template-columns: 1.1fr 1fr; gap: 28px; align-items: stretch; }
.news-feature { position: relative; display: block; border-radius: var(--radius-lg); overflow: hidden; min-height: 380px; box-shadow: var(--shadow); }
.news-feature img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .7s var(--ease); }
.news-feature:hover img { transform: scale(1.06); }
.news-feature__overlay { position: absolute; inset: 0; background: linear-gradient(180deg, transparent 30%, rgba(6,26,28,0.9) 100%); display: flex; align-items: flex-end; padding: 30px; }
.news-feature__body { color: #fff; }
.news-feature__date { font-size: 0.8rem; color: var(--green-light); margin-bottom: 10px; display: flex; align-items: center; gap: 6px; }
.news-feature__title { color: #fff; font-size: 1.35rem; line-height: 1.4; margin-bottom: 10px; }
.news-feature__desc { color: rgba(255,255,255,0.75); font-size: 0.9rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

.news-list { display: flex; flex-direction: column; gap: 16px; }
.news-item {
  display: flex; align-items: center; gap: 18px; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius-md); padding: 18px; transition: all .3s var(--ease); position: relative; overflow: hidden;
}
.news-item::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: linear-gradient(var(--teal), var(--green)); transform: scaleY(0); transition: transform .35s var(--ease); }
.news-item:hover { box-shadow: var(--shadow); transform: translateX(4px); border-color: var(--glass-border); }
.news-item:hover::before { transform: scaleY(1); }
.news-item__date { flex-shrink: 0; width: 60px; text-align: center; background: var(--bg-mint); border-radius: 10px; padding: 10px 6px; }
.news-item__day { font-family: var(--mono); font-size: 1.5rem; font-weight: 800; color: var(--teal); line-height: 1; }
.news-item__month { font-size: 0.72rem; color: var(--text-3); }
.news-item__info { flex: 1; min-width: 0; }
.news-item__title { font-size: 0.98rem; margin-bottom: 6px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.news-item:hover .news-item__title { color: var(--teal); }
.news-item__excerpt { font-size: 0.82rem; color: var(--text-3); display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.news-item__arrow { flex-shrink: 0; width: 36px; height: 36px; border-radius: 50%; display: flex; align-items: center; justify-content: center; background: var(--bg-mint); color: var(--teal); font-size: 0.85rem; transition: all .3s var(--ease); }
.news-item:hover .news-item__arrow { background: var(--teal); color: #fff; transform: rotate(-45deg); }
.news-list--page .news-item { padding: 22px; }
.news-list--page .news-item__title { font-size: 1.05rem; white-space: normal; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; }

/* ============================================================
   CTA
   ============================================================ */
.cta-section {
  position: relative; padding: 96px 0; text-align: center; color: #fff; overflow: hidden;
  background: radial-gradient(120% 160% at 50% 0%, #0E9C8A 0%, #00897B 38%, #0B2E3A 100%);
}
.cta-section::before {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.16) 1px, transparent 1px);
  background-size: 28px 28px; opacity: 0.35;
}
.cta-section .container { position: relative; z-index: 2; }
.cta-section .section-tag { background: rgba(255,255,255,0.14); color: #DFFBF4; border-color: rgba(255,255,255,0.3); }
.cta-section__title { color: #fff; font-size: clamp(1.7rem, 3.6vw, 2.7rem); margin-bottom: 16px; }
.cta-section__sub { color: rgba(255,255,255,0.82); max-width: 560px; margin: 0 auto 38px; font-size: 1.05rem; }
.cta-section__actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ============================================================
   内页 Banner + 面包屑
   ============================================================ */
.inner-hero {
  position: relative; margin-top: var(--header-h); padding: 86px 0 66px; color: #fff; overflow: hidden;
  background: linear-gradient(135deg, #0B2E3A 0%, #00695C 100%);
}
.inner-hero::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(rgba(255,255,255,0.14) 1px, transparent 1px); background-size: 30px 30px; opacity: 0.3; }
.inner-hero__inner { position: relative; z-index: 2; }
.inner-hero__tag { color: var(--green-light); font-size: 0.82rem; letter-spacing: .2em; text-transform: uppercase; margin-bottom: 12px; display: block; }
.inner-hero__title { color: #fff; font-size: clamp(1.7rem, 3.4vw, 2.4rem); margin-bottom: 8px; }
.inner-hero__sub { color: rgba(255,255,255,0.75); font-size: 1rem; }

.breadcrumb-bar { background: var(--bg-soft); border-bottom: 1px solid var(--line); }
.breadcrumb { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; padding: 14px 0; font-size: 0.86rem; color: var(--text-3); }
.breadcrumb a { color: var(--text-3); }
.breadcrumb a:hover { color: var(--teal); }
.breadcrumb i { font-size: 0.7rem; color: var(--text-3); }

/* ============================================================
   列表页通用
   ============================================================ */
.page-wrap { padding: 56px 0 80px; }
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 36px; }
.filter-bar a {
  padding: 9px 20px; border-radius: 999px; border: 1px solid var(--line);
  color: var(--text-2); font-size: 0.9rem; font-weight: 500; transition: all .25s var(--ease);
}
.filter-bar a:hover { color: var(--teal); border-color: var(--teal); }
.filter-bar a.active { background: linear-gradient(120deg, var(--teal), var(--green)); color: #fff; border-color: transparent; box-shadow: var(--shadow-teal); }

/* 分页 */
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 48px; flex-wrap: wrap; }
.pagination a, .pagination span {
  min-width: 42px; height: 42px; padding: 0 12px; display: inline-flex; align-items: center; justify-content: center;
  border-radius: 10px; border: 1px solid var(--line); color: var(--text-2); font-size: 0.9rem; transition: all .25s var(--ease); background: #fff;
}
.pagination a:hover { color: var(--teal); border-color: var(--teal); }
.pagination .page-current { background: linear-gradient(120deg, var(--teal), var(--green)); color: #fff; border-color: transparent; font-weight: 600; }
.pagination .page-num-page { color: var(--text-2); }
.pagination .page-ellipsis { border: none; background: none; }

/* 空状态 */
.empty-state { text-align: center; padding: 70px 0; color: var(--text-3); }
.empty-state i { font-size: 3rem; color: var(--line); margin-bottom: 16px; display: block; }

/* ============================================================
   产品详情
   ============================================================ */
.detail-layout { display: grid; grid-template-columns: 1fr 1.15fr; gap: 48px; }
.detail-gallery { position: sticky; top: calc(var(--header-h) + 24px); align-self: start; }
.detail-gallery__main { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--line); background: var(--bg-soft); }
.detail-gallery__main img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
.detail-gallery__thumbs { display: flex; gap: 12px; margin-top: 14px; }
.detail-gallery__thumbs .swiper-slide { width: 76px; border-radius: 10px; overflow: hidden; border: 2px solid transparent; cursor: pointer; opacity: 0.7; transition: all .25s; }
.detail-gallery__thumbs .swiper-slide-thumb-active { border-color: var(--teal); opacity: 1; }
.detail-gallery__thumbs img { width: 76px; height: 76px; object-fit: cover; }

.detail-info h1 { font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: 14px; }
.detail-info__brief { color: var(--text-2); margin-bottom: 22px; font-size: 0.98rem; }
.detail-spec { margin: 26px 0; border: 1px solid var(--line); border-radius: var(--radius-md); overflow: hidden; }
.detail-spec__row { display: grid; grid-template-columns: 130px 1fr; align-items: center; border-bottom: 1px dashed var(--line); }
.detail-spec__row:last-child { border-bottom: none; }
.detail-spec__label { padding: 14px 20px; background: var(--bg-soft); color: var(--text-2); font-size: 0.9rem; font-weight: 500; }
.detail-spec__value { padding: 14px 20px; font-size: 0.95rem; color: var(--ink); }
.detail-spec__value b { color: var(--teal); font-family: var(--mono); }
.detail-info__actions { display: flex; gap: 14px; margin-top: 26px; flex-wrap: wrap; }

.detail-body { margin-top: 60px; }
.detail-body h2 { font-size: 1.4rem; margin: 40px 0 16px; padding-left: 16px; border-left: 4px solid var(--teal); }
.detail-body h3 { font-size: 1.1rem; margin: 26px 0 12px; }
.detail-body p { margin-bottom: 16px; color: var(--text); }
.detail-body img { border-radius: var(--radius-md); margin: 18px 0; }

/* ============================================================
   新闻详情
   ============================================================ */
.article { max-width: 820px; margin: 0 auto; }
.article__header { text-align: center; margin-bottom: 40px; }
.article__title { font-size: clamp(1.5rem, 3.4vw, 2.1rem); margin-bottom: 16px; line-height: 1.4; }
.article__meta { display: flex; justify-content: center; gap: 22px; color: var(--text-3); font-size: 0.86rem; flex-wrap: wrap; }
.article__meta i { color: var(--teal); margin-right: 5px; }
.article__cover { border-radius: var(--radius-lg); overflow: hidden; margin-bottom: 34px; }
.article__body { font-size: 1.02rem; line-height: 2; color: var(--text); }
.article__body h2 { font-size: 1.35rem; margin: 34px 0 14px; padding-left: 16px; border-left: 4px solid var(--teal); }
.article__body p { margin-bottom: 18px; }
.article__body img { border-radius: var(--radius-md); margin: 20px 0; }
.article__prevnext { display: flex; justify-content: space-between; gap: 16px; margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--line); font-size: 0.9rem; }
.article__prevnext a { color: var(--text-2); display: inline-flex; align-items: center; gap: 6px; max-width: 48%; }
.article__prevnext a:hover { color: var(--teal); }

/* 关于我们 */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.about-grid__media { position: relative; }
.about-grid__media .badge-float {
  position: absolute; right: -18px; bottom: 30px; background: #fff; border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg); padding: 16px 22px; display: flex; align-items: center; gap: 12px;
}
.about-grid__media .badge-float i { font-size: 1.6rem; color: var(--green); }
.about-grid__media .badge-float b { font-size: 1.3rem; color: var(--teal-dark); font-family: var(--mono); }
.about-feature-list { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 34px; }
.about-feature { display: flex; gap: 12px; align-items: flex-start; }
.about-feature i { width: 36px; height: 36px; flex-shrink: 0; border-radius: 10px; background: var(--bg-mint); color: var(--teal); display: flex; align-items: center; justify-content: center; font-size: 0.95rem; }
.about-feature b { color: var(--ink); display: block; margin-bottom: 4px; }
.about-feature span { color: var(--text-2); font-size: 0.85rem; }

/* 联系我们 */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; }
.contact-info__item { display: flex; gap: 16px; padding: 20px 0; border-bottom: 1px dashed var(--line); }
.contact-info__item i { width: 46px; height: 46px; flex-shrink: 0; border-radius: 12px; background: linear-gradient(135deg, var(--teal), var(--green)); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; box-shadow: var(--shadow-teal); }
.contact-info__item b { display: block; color: var(--ink); margin-bottom: 4px; }
.contact-info__item span, .contact-info__item a { color: var(--text-2); font-size: 0.95rem; }
.contact-info__item a:hover { color: var(--teal); }

/* 表单 */
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 36px; box-shadow: var(--shadow); }
.form-card h3 { margin-bottom: 8px; }
.form-card .form-sub { color: var(--text-3); font-size: 0.88rem; margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-field { margin-bottom: 16px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { display: block; font-size: 0.88rem; color: var(--text-2); margin-bottom: 8px; font-weight: 500; }
.form-field label i { color: var(--teal); margin-right: 4px; }
.form-field input, .form-field textarea, .form-field select {
  width: 100%; padding: 13px 16px; border: 1px solid var(--line); border-radius: 10px; font-size: 0.95rem;
  background: var(--bg-soft); transition: all .25s; color: var(--text);
}
.form-field input:focus, .form-field textarea:focus, .form-field select:focus { outline: none; border-color: var(--teal); background: #fff; box-shadow: 0 0 0 3px rgba(0,137,123,0.12); }
.form-field textarea { min-height: 120px; resize: vertical; }
.form-field .checkcode { display: flex; gap: 10px; align-items: center; }
.form-field .checkcode img { border-radius: 8px; cursor: pointer; height: 44px; }

/* ============================================================
   搜索
   ============================================================ */
.search-box { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 40px; box-shadow: var(--shadow); margin-bottom: 48px; }
.search-form { display: flex; gap: 12px; }
.search-form input { flex: 1; padding: 14px 20px; border: 1px solid var(--line); border-radius: 999px; font-size: 0.98rem; background: var(--bg-soft); }
.search-form input:focus { outline: none; border-color: var(--teal); background: #fff; }
.search-result-item { display: flex; gap: 20px; padding: 22px; border: 1px solid var(--line); border-radius: var(--radius-md); margin-bottom: 16px; transition: all .3s var(--ease); background: #fff; }
.search-result-item:hover { box-shadow: var(--shadow); border-color: var(--glass-border); transform: translateY(-3px); }
.search-result-item__thumb { width: 130px; height: 96px; flex-shrink: 0; border-radius: 10px; overflow: hidden; background: var(--bg-soft); }
.search-result-item__thumb img { width: 100%; height: 100%; object-fit: cover; }
.search-result-item__title { font-size: 1.05rem; margin-bottom: 8px; }
.search-result-item:hover .search-result-item__title { color: var(--teal); }
.search-result-item__date { color: var(--text-3); font-size: 0.8rem; margin-bottom: 6px; }
.search-result-item__desc { color: var(--text-2); font-size: 0.9rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.search-result-item__arrow { flex-shrink: 0; width: 38px; height: 38px; border-radius: 50%; display: flex; align-items: center; justify-content: center; background: var(--bg-mint); color: var(--teal); font-size: 0.9rem; transition: all .3s var(--ease); }
.search-result-item:hover .search-result-item__arrow { background: var(--teal); color: #fff; transform: rotate(-45deg); }

/* ============================================================
   页脚
   ============================================================ */
.footer { position: relative; background: linear-gradient(180deg, var(--navy) 0%, #081A1F 100%); color: rgba(226,244,239,0.72); padding: 72px 0 0; margin-top: 0; }
.footer__wave { position: absolute; top: -59px; left: 0; right: 0; height: 60px; }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 44px; padding-bottom: 44px; }
.footer__brand { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.footer__brand .logo__name { color: #EAF6F3; }
.footer__brand .logo__sub { color: rgba(226,244,239,0.5); }
.footer__desc { color: rgba(226,244,239,0.6); font-size: 0.9rem; margin-bottom: 20px; line-height: 1.8; }
.footer__social { display: flex; gap: 10px; }
.footer__social a { width: 40px; height: 40px; border-radius: 10px; border: 1px solid rgba(226,244,239,0.16); display: flex; align-items: center; justify-content: center; color: rgba(226,244,239,0.7); transition: all .28s var(--ease); }
.footer__social a:hover { background: var(--green); color: #fff; border-color: var(--green); transform: translateY(-3px); }
.footer__title { color: #EAF6F3; font-size: 1rem; margin-bottom: 20px; position: relative; padding-bottom: 12px; }
.footer__title::after { content: ""; position: absolute; left: 0; bottom: 0; width: 30px; height: 2px; background: linear-gradient(90deg, var(--teal), var(--green)); }
.footer__links { display: flex; flex-direction: column; gap: 11px; }
.footer__links a { color: rgba(226,244,239,0.6); font-size: 0.9rem; display: inline-flex; align-items: center; gap: 8px; }
.footer__links a::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--teal-light); transition: all .25s; }
.footer__links a:hover { color: var(--green-light); transform: translateX(4px); }
.footer__links a:hover::before { background: var(--green); box-shadow: 0 0 8px var(--green); }
.footer__contact { display: flex; flex-direction: column; gap: 14px; }
.footer__contact-item { display: flex; gap: 10px; align-items: flex-start; font-size: 0.9rem; color: rgba(226,244,239,0.6); }
.footer__contact-item i { color: var(--green-light); margin-top: 4px; width: 16px; flex-shrink: 0; }
.footer__contact-item a:hover { color: var(--green-light); }
.footer__hotline { margin-top: 20px; padding-top: 18px; border-top: 1px dashed rgba(226,244,239,0.16); }
.footer__hotline-label { font-size: 0.78rem; color: rgba(226,244,239,0.5); display: block; margin-bottom: 6px; }
.footer__hotline-num { font-family: var(--mono); font-size: 1.4rem; font-weight: 800; color: var(--green-bright); }
.footer__hotline-num:hover { color: var(--green-light); }

/* 合作伙伴 */
.partner-wall { border-top: 1px solid rgba(226,244,239,0.12); padding: 34px 0 40px; }
.partner-wall__title { color: #EAF6F3; font-size: 0.95rem; margin-bottom: 20px; display: flex; align-items: center; gap: 8px; }
.partner-wall__title i { color: var(--green-light); }
.partner-wall__list { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
.partner-wall__item {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
  background: rgba(255,255,255,0.04); border: 1px solid rgba(226,244,239,0.1); border-radius: 12px;
  padding: 16px 10px; min-height: 64px; transition: all .28s var(--ease);
}
.partner-wall__item:hover { border-color: rgba(16,185,129,0.4); background: rgba(16,185,129,0.08); transform: translateY(-4px); }
/* 浅色底变体（首页浅色区使用） */
.partner-wall__list--light { margin-top: 8px; }
.partner-wall__list--light .partner-wall__item { background: #fff; border-color: var(--line); }
.partner-wall__list--light .partner-wall__item:hover { border-color: var(--glass-border); background: var(--bg-mint); box-shadow: var(--shadow); }
.partner-wall__list--light .partner-wall__logo { filter: none; }
.partner-wall__list--light .partner-wall__name { color: var(--text-3); }
.partner-wall__logo { width: 36px; height: 36px; background-size: contain; background-repeat: no-repeat; background-position: center; opacity: 0.85; filter: grayscale(0.3); transition: all .3s; }
.partner-wall__item:hover .partner-wall__logo { filter: none; opacity: 1; }
.partner-wall__name { font-size: 0.78rem; color: rgba(226,244,239,0.6); text-align: center; }
/* 首页合作伙伴折叠按钮: 仅移动端显示(≤768px 显示, PC 隐藏) */
.partner-wall__more { display: none; }

/* 版权 */
.footer__bottom { border-top: 1px solid rgba(226,244,239,0.1); padding: 20px 0; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: 0.82rem; color: rgba(226,244,239,0.45); }
.footer__bottom-right { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.footer__bottom a:hover { color: var(--green-light); }
.footer__dot { opacity: 0.4; }

/* ============================================================
   悬浮元素：返回顶部 / 在线客服
   ============================================================ */
.back-top, .online-kefu { position: fixed; right: 22px; z-index: 120; }
.back-top {
  bottom: 26px; width: 46px; height: 46px; border-radius: 12px;
  background: linear-gradient(135deg, var(--teal), var(--green)); color: #fff; font-size: 1rem;
  display: flex; align-items: center; justify-content: center; box-shadow: var(--shadow-teal);
  opacity: 0; visibility: hidden; transform: translateY(14px); transition: all .35s var(--ease);
}
.back-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { transform: translateY(-4px); }
.online-kefu { bottom: 92px; display: flex; flex-direction: column; gap: 10px; }
.online-kefu__btn {
  width: 46px; height: 46px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--teal), var(--green)); color: #fff; font-size: 1.05rem;
  box-shadow: 0 8px 22px rgba(0,137,123,0.4); position: relative;
}
.online-kefu__btn:hover { transform: scale(1.1); }
.online-kefu__btn:first-child::after {
  content: ""; position: absolute; inset: 0; border-radius: 50%;
  border: 2px solid rgba(16,185,129,0.6); animation: ringPulse 2s ease-out infinite;
}

/* ============================================================
   动画关键帧
   ============================================================ */
@keyframes energyFlow { 0% { background-position: 0% 0; } 100% { background-position: 200% 0; } }
@keyframes textShimmer { 0%, 100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }
@keyframes scrollDown { 0% { top: -100%; } 100% { top: 100%; } }
@keyframes ringPulse { 0% { transform: scale(1); opacity: 0.7; } 100% { transform: scale(1.5); opacity: 0; } }
@keyframes floatY { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes pulseGlow { 0%, 100% { box-shadow: 0 8px 22px rgba(0,137,123,0.3); } 50% { box-shadow: 0 8px 34px rgba(16,185,129,0.55); } }
@keyframes boltGlow { 0%, 100% { opacity: 0.6; } 50% { opacity: 1; } }

.float-y { animation: floatY 4.5s ease-in-out infinite; }
.pulse-glow { animation: pulseGlow 2.6s ease-in-out infinite; }

/* 通用滚动进入动画 (AOS 兜底) */
[data-aos] { will-change: transform, opacity; }

/* ============================================================
   响应式 (≤1180px 桌面导航换汉堡菜单)
   8 项导航 nowrap 后自然宽约 660px + logo/CTA/间隙 ≈ 1127px,
   容器内宽最多 1152px(=1200 断点), 1180px 以下放不下 → 换移动菜单
   ============================================================ */
@media (max-width: 1200px) {
  .nav { display: none; }
  .hamburger { display: flex; }
  .header__cta { display: none; }
}

/* ============================================================
   响应式 (≤1024px 平板)
   ============================================================ */
@media (max-width: 1024px) {
  .nav { display: none; }
  .hamburger { display: flex; }
  .header__cta { display: none; }
  .solution-grid { grid-template-columns: repeat(2, 1fr); }
  .tech-grid { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .dashboard__inner { grid-template-columns: 1fr; gap: 40px; }
  .partner-wall__list { grid-template-columns: repeat(4, 1fr); }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .detail-layout { grid-template-columns: 1fr; gap: 36px; }
  .detail-gallery { position: static; }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .news-split { grid-template-columns: 1fr; }
}

/* ============================================================
   响应式 (≤768px 手机，规范指定断点)
   ============================================================ */
@media (max-width: 768px) {
  body { font-size: 14.5px; }
  .container { padding: 0 18px; }

  /* 移动端全局安全网: 任何宽内容(正文表格/代码/图片)都不撑破视口,
     长单词/URL 允许断行 — 杜绝任何单页横向溢出(移动端整体偏左的根因) */
  img, video, iframe, table, pre, code { max-width: 100%; }
  body { overflow-wrap: break-word; }

  .section { padding: 64px 0; }
  .section-head { margin-bottom: 40px; }
  .section-head-row { margin-bottom: 32px; }

  .header { height: 62px; }
  .header__inner { height: 62px; }
  .logo__icon { width: 38px; height: 38px; font-size: 1.05rem; border-radius: 11px; }
  .logo__sub { display: none; }
  /* 长站点标题在窄屏会折成两行撑高头部 → 强制单行 + 省略号,
     max-width 按视口扣掉图标/间隙/汉堡/内边距的固定占用, 任何宽度都不溢出 */
  .header .logo__name { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: calc(100vw - 128px); }

  .hero { min-height: 560px; }
  .hero__content { padding: calc(62px + 40px) 0 80px; }
  .hero__actions { flex-direction: column; align-items: center; }
  .hero__actions .btn { width: min(300px, 100%); }
  .hero__arrow { width: 40px; height: 40px; }
  .hero__arrow--prev { left: 12px; }
  .hero__arrow--next { right: 12px; }
  .hero__scroll { display: none; }
  .hero-pagination { bottom: 30px; }

  /* 手机端核心产品: 每行 2 个、只留前 4 个(2×2); PC 仍 3 列展示全部 */
  .glass-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .glass-grid > :nth-child(n+5) { display: none; }
  /* 两列小卡内容紧凑化, 保证窄卡内排版不溢出 */
  .glass-card__body { padding: 12px 10px; }
  .glass-card__title { font-size: 0.98rem; margin-bottom: 6px; }
  .glass-card__desc { font-size: 0.8rem; margin-bottom: 10px; }
  /* 窄卡上规格chips会折成3行把卡片撑得过高 → 移动端隐藏(规格进详情页看) */
  .glass-card__specs { display: none; }
  .glass-card__foot { padding-top: 8px; }
  .glass-card__link { font-size: 0.82rem; }
  .case-grid { grid-template-columns: 1fr; gap: 20px; }
  .case-grid > :nth-child(n+2) { display: none; }
  /* 能源数据统计卡片: 移动端紧凑化(卡片/图标/数字/间距整体缩小) */
  .stats { grid-template-columns: 1fr 1fr; gap: 10px; }
  .stat-card { padding: 16px 12px; border-radius: 16px; }
  .stat-card__icon { width: 36px; height: 36px; margin: 0 auto 8px; border-radius: 10px; font-size: 1rem; }
  .stat-card__num { font-size: 1.3rem; }
  .stat-card__label { margin-top: 6px; font-size: 0.8rem; }
  section:has(.stats) .section-head { margin-bottom: 26px; }
  /* 解决方案: 移动端 4 张并排一行(紧凑迷你卡=图标+标题, 描述/场景进详情页) */
  .solution-grid { grid-template-columns: repeat(4, 1fr); gap: 8px; }
  .solution-card { padding: 18px 4px 16px; border-radius: 14px; }
  .solution-card__icon { width: 42px; height: 42px; margin-bottom: 8px; border-radius: 12px; font-size: 1.15rem; box-shadow: none; }
  .solution-card__title { font-size: 0.84rem; margin-bottom: 0; line-height: 1.35; }
  .solution-card__desc, .solution-card__meta { display: none; }
  /* 核心技术: 移动端 4 张并排一行(紧凑迷你卡=编号+图标+标题, 参数/描述进详情页) */
  .tech-grid { grid-template-columns: repeat(4, 1fr); gap: 6px; }
  .tech-card { padding: 14px 2px 12px; border-radius: 12px; }
  .tech-card__num { font-size: 0.62rem; letter-spacing: .06em; margin-bottom: 8px; }
  .tech-card__icon { width: 38px; height: 38px; margin: 0 auto 8px; font-size: 1.05rem; }
  .tech-card__icon::after { display: none; }
  .tech-card__title { font-size: 0.78rem; margin-bottom: 0; line-height: 1.35; }
  .tech-card__param, .tech-card__desc { display: none; }
  /* 碳减排数据看板: 移动端紧凑化(内边距/描述截断/数字与间距缩小) */
  .dashboard { padding: 22px 16px; border-radius: 18px; }
  .dashboard__inner { gap: 20px; }
  .dashboard__title { font-size: 1.2rem; margin-bottom: 10px; }
  .dashboard__desc { font-size: 0.85rem; margin-bottom: 16px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
  .dashboard__metric { gap: 8px; margin-bottom: 14px; }
  .dashboard__metric-num { font-size: 1.7rem; }
  .dashboard__metric-unit { font-size: 0.8rem; }
  .dashboard__metric-label { font-size: 0.75rem; }
  .bar-chart { gap: 10px; }
  .bar-chart__row { gap: 10px; }

  /* 行业资讯: 移动端紧凑化(大卡/列表/条目整体缩小) */
  .news-feature { min-height: 190px; }
  .news-feature__overlay { padding: 18px 16px; }
  .news-feature__date { font-size: 0.72rem; margin-bottom: 6px; }
  .news-feature__title { font-size: 1.05rem; margin-bottom: 6px; }
  .news-feature__desc { font-size: 0.8rem; -webkit-line-clamp: 2; }
  .news-list { gap: 10px; }
  .news-item { padding: 8px 12px; }
  .news-item__date { width: 44px; padding: 7px 4px; }
  .news-item__day { font-size: 1.15rem; }
  .news-item__month { font-size: 0.66rem; }
  .news-item__title { font-size: 0.9rem; margin-bottom: 4px; }
  .news-item__excerpt { font-size: 0.76rem; }
  /* 关键修复: 网格子项默认 min-width:auto 会被 nowrap 内容撑宽,
     导致 1fr 列无法收缩、整页横向溢出(移动端整体偏左) */
  .news-split > *,
  .contact-grid > *,
  .about-grid > *,
  .detail-layout > * { min-width: 0; }

  .inner-hero { padding: 64px 0 46px; }
  .page-wrap { padding: 40px 0 56px; }

  .form-row { grid-template-columns: 1fr; }
  .form-card { padding: 24px; }
  .search-form { flex-direction: column; }
  .search-result-item { flex-direction: column; }
  .search-result-item__thumb { width: 100%; height: 170px; }

  .about-feature-list { grid-template-columns: 1fr; }
  /* 关于页浮标: 桌面 right:-18px 悬出图片角, 移动端图片占满容器宽,
     悬出部分会顶到视口右缘 → 收进容器内 */
  .about-grid__media .badge-float { right: 12px; bottom: 22px; }
  .partner-wall__list { grid-template-columns: repeat(3, 1fr); }
  /* 首页合作伙伴: 默认只显示 3 个, 点击"显示全部"展开(页脚 partner-wall 不受影响) */
  .partner-wall__list--light .partner-wall__item:nth-child(n+4) { display: none; }
  .partner-wall__list--light.partner-wall__expanded .partner-wall__item { display: flex; }
  .partner-wall__more {
    display: flex; align-items: center; gap: 6px;
    margin: 18px auto 0; padding: 9px 22px;
    border: 1px solid var(--line); border-radius: 999px;
    background: #fff; color: var(--text-2); font-size: 0.85rem; cursor: pointer;
    transition: all .3s var(--ease);
  }
  .partner-wall__more:hover { border-color: var(--green-light); color: var(--green-light); }
  /* 底部: 移动端重排紧凑化(品牌整行+导航两列+联系整行, 友链墙/版权栏收紧) */
  .footer { padding-top: 48px; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 22px 18px; padding-bottom: 22px; }
  .footer__col--brand { grid-column: 1 / -1; }
  .footer__col:last-child { grid-column: 1 / -1; }
  .footer__brand { margin-bottom: 12px; }
  .footer__desc { font-size: 0.82rem; margin-bottom: 14px; }
  .footer__social a { width: 34px; height: 34px; font-size: 0.9rem; }
  .footer__title { font-size: 0.9rem; margin-bottom: 12px; padding-bottom: 8px; }
  .footer__links { gap: 8px; }
  .footer__links a { font-size: 0.82rem; }
  .footer__contact { gap: 10px; }
  .footer__contact-item { font-size: 0.82rem; }
  .footer__hotline { margin-top: 14px; padding-top: 12px; }
  .footer__hotline-num { font-size: 1.15rem; }
  .footer .partner-wall { padding: 22px 0 24px; }
  .footer .partner-wall__title { font-size: 0.85rem; margin-bottom: 12px; }
  .footer .partner-wall__item { padding: 10px 6px; min-height: 48px; gap: 6px; }
  .footer .partner-wall__logo { width: 28px; height: 28px; }
  .footer .partner-wall__name { font-size: 0.68rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .footer__bottom { justify-content: center; text-align: center; padding: 14px 0; }
  .cta-section { padding: 70px 0; }

  .online-kefu { right: 16px; }
  .back-top { right: 16px; }
}

/* 动画减弱偏好 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
}