/* ============================================================
   绿循回收 GREEN LOOP · 办公设备上门回收企业官网
   设计系统：深林绿 × 琥珀橙 · 工业环保 · 专业服务
   ============================================================ */

/* ---------- 字体与令牌 ---------- */
@font-face {
  font-family: "Bebas Neue";
  src: url("../fonts/bebas-neue-latin-400-normal.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  --green-950: #052E1F;
  --green-900: #0A3D2C;
  --green-800: #0C4F38;
  --green-700: #0E5C40;
  --green-600: #157A53;
  --green-500: #1B9D68;
  --green-400: #35C08A;
  --green-200: #BCE4CF;
  --green-100: #D9F2E5;
  --green-50: #EFFAF4;
  --amber-600: #D98F14;
  --amber-500: #F0A32F;
  --amber-100: #FCEFD8;
  --ink: #17241E;
  --ink-2: #3E4F46;
  --muted: #6B7A71;
  --line: #E3E9E5;
  --bg: #F6F8F6;
  --paper: #FFFFFF;
  --radius: 14px;
  --shadow-sm: 0 1px 2px rgba(10, 61, 44, .05), 0 4px 14px rgba(10, 61, 44, .06);
  --shadow-md: 0 10px 30px rgba(10, 61, 44, .10);
  --shadow-lg: 0 20px 60px rgba(10, 61, 44, .16);
  --font-body: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
  --font-display: "Bebas Neue", "Arial Narrow", "PingFang SC", "Microsoft YaHei", sans-serif;
}

/* ---------- 基础 ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

:focus-visible { outline: 3px solid var(--amber-500); outline-offset: 2px; border-radius: 4px; }

.container { width: min(1200px, calc(100% - 48px)); margin: 0 auto; }

.section { padding: 92px 0; }
.section-alt { background: var(--paper); }
.section-tight { padding: 72px 0; }

/* 区块标题 */
.sec-head { max-width: 760px; margin-bottom: 48px; }
.sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.kicker {
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: .22em;
  color: var(--green-600);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.sec-head.center .kicker { justify-content: center; }
.kicker::before { content: ""; width: 26px; height: 3px; background: var(--amber-500); border-radius: 2px; }
.sec-head.center .kicker::after { content: ""; width: 26px; height: 3px; background: var(--amber-500); border-radius: 2px; }
.sec-title { font-size: clamp(26px, 3.2vw, 38px); line-height: 1.3; font-weight: 700; letter-spacing: .01em; }
.sec-title em { font-style: normal; color: var(--green-600); }
.sec-lead { margin-top: 14px; color: var(--ink-2); font-size: 16px; }

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  white-space: nowrap;
}
.btn svg { width: 17px; height: 17px; }
.btn-primary { background: var(--green-600); color: #fff; box-shadow: 0 8px 20px rgba(21, 122, 83, .28); }
.btn-primary:hover { background: var(--green-700); transform: translateY(-2px); box-shadow: 0 12px 26px rgba(21, 122, 83, .34); }
.btn-accent { background: var(--amber-500); color: #3A2A08; box-shadow: 0 8px 20px rgba(240, 163, 47, .3); }
.btn-accent:hover { background: var(--amber-600); color: #fff; transform: translateY(-2px); }
.btn-ghost { border: 1.5px solid rgba(255, 255, 255, .65); color: #fff; background: rgba(255, 255, 255, .08); }
.btn-ghost:hover { background: rgba(255, 255, 255, .16); border-color: #fff; }
.btn-line { border: 1.5px solid var(--green-600); color: var(--green-700); }
.btn-line:hover { background: var(--green-600); color: #fff; }

/* 标签 */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  background: var(--green-50);
  color: var(--green-700);
  border: 1px solid var(--green-100);
}
.tag-amber { background: var(--amber-100); color: #8A5A10; border-color: #F5E3BE; }
.tag-gray { background: #F0F2F1; color: var(--ink-2); border-color: var(--line); }

/* 滚动揭示 */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .65s ease, transform .65s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ---------- 头部 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid transparent;
  transition: box-shadow .25s ease, border-color .25s ease;
}
.site-header.scrolled { box-shadow: var(--shadow-sm); border-color: var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 24px; }

.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-mark { width: 44px; height: 44px; border-radius: 12px; background: var(--green-700); display: flex; align-items: center; justify-content: center; box-shadow: 0 6px 16px rgba(14, 92, 64, .3); }
.brand-mark svg { width: 28px; height: 28px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text strong { font-size: 21px; font-weight: 800; letter-spacing: .06em; color: var(--green-900); }
.brand-text small { font-family: var(--font-display); font-size: 11px; letter-spacing: .24em; color: var(--green-600); text-transform: uppercase; }

.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  position: relative;
  padding: 8px 15px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-2);
  border-radius: 8px;
  transition: color .2s ease, background .2s ease;
}
.main-nav a:hover { color: var(--green-700); background: var(--green-50); }
.main-nav a.active { color: var(--green-700); font-weight: 700; }
.main-nav a.active::after {
  content: "";
  position: absolute;
  left: 15px;
  right: 15px;
  bottom: 2px;
  height: 3px;
  border-radius: 2px;
  background: var(--amber-500);
}

.header-right { display: flex; align-items: center; gap: 18px; }
.header-tel { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-display); font-size: 21px; letter-spacing: .04em; color: var(--green-700); }
.header-tel svg { width: 18px; height: 18px; color: var(--green-600); }
.header-tel:hover { color: var(--green-500); }

.nav-toggle { display: none; width: 42px; height: 42px; border-radius: 10px; border: 1px solid var(--line); flex-direction: column; align-items: center; justify-content: center; gap: 5px; }
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--green-900); border-radius: 2px; transition: transform .25s ease, opacity .25s 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); }

/* ---------- 页首横幅（首页 Hero） ---------- */
.hero {
  position: relative;
  min-height: 640px;
  display: flex;
  flex-direction: column;
  align-items: center;
  color: #fff;
  overflow: hidden;
  background: var(--green-950);
}
.hero-bg { position: absolute; inset: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(5, 46, 31, .94) 0%, rgba(5, 46, 31, .8) 42%, rgba(5, 46, 31, .28) 100%);
}
.hero-inner {
  position: relative;
  z-index: 2;
  width: min(1200px, calc(100% - 48px));
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 84px 0 64px;
}
.hero-inner .hero-badge { align-self: flex-start; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .28);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .05em;
  margin-bottom: 24px;
}
.hero-badge::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--amber-500); box-shadow: 0 0 0 4px rgba(240, 163, 47, .25); }
.hero h1 { font-size: clamp(34px, 5vw, 58px); line-height: 1.18; font-weight: 800; letter-spacing: .01em; }
.hero h1 span { color: var(--amber-500); }
.hero-sub { margin: 22px 0 34px; font-size: 17px; line-height: 1.9; color: rgba(255, 255, 255, .88); max-width: 560px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; }
.hero-trust { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 22px; font-size: 14px; color: rgba(255, 255, 255, .8); }
.hero-trust span { display: inline-flex; align-items: center; gap: 7px; }
.hero-trust svg { width: 16px; height: 16px; color: var(--amber-500); }

.hero-stats {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(255, 255, 255, .22);
  margin: 0 auto;
  width: min(1200px, calc(100% - 48px));
}
.hero-stat { padding: 30px 18px 34px; border-right: 1px solid rgba(255, 255, 255, .16); }
.hero-stat:first-child { padding-left: 0; }
.hero-stat:last-child { border-right: none; }
.hero-stat .num { font-family: var(--font-display); font-size: 46px; line-height: 1; color: #fff; letter-spacing: .02em; }
.hero-stat .num i { font-style: normal; color: var(--amber-500); font-size: 30px; margin-left: 3px; }
.hero-stat .lbl { margin-top: 8px; font-size: 14px; color: rgba(255, 255, 255, .78); }

/* ---------- 页首横幅（内页） ---------- */
.page-hero {
  position: relative;
  background: linear-gradient(115deg, var(--green-950) 0%, var(--green-800) 60%, var(--green-700) 100%);
  color: #fff;
  padding: 76px 0 68px;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  right: -120px;
  top: -160px;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(53, 192, 138, .28) 0%, transparent 68%);
}
.page-hero::after {
  content: "";
  position: absolute;
  right: 8%;
  bottom: -220px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  border: 1.5px solid rgba(255, 255, 255, .12);
}
.page-hero .container { position: relative; z-index: 2; }
.page-hero .ph-kicker { font-family: var(--font-display); font-size: 14px; letter-spacing: .28em; color: var(--green-400); text-transform: uppercase; margin-bottom: 12px; }
.page-hero h1 { font-size: clamp(30px, 4vw, 46px); font-weight: 800; letter-spacing: .02em; }
.page-hero p { margin-top: 14px; max-width: 620px; color: rgba(255, 255, 255, .82); font-size: 16px; }
.breadcrumb { margin-top: 22px; font-size: 13px; color: rgba(255, 255, 255, .7); display: flex; align-items: center; gap: 8px; }
.breadcrumb a:hover { color: var(--amber-500); }
.breadcrumb .sep { color: rgba(255, 255, 255, .4); }

/* ---------- 服务卡片 ---------- */
.svc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.svc-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .28s ease, box-shadow .28s ease, border-color .28s ease;
  display: flex;
  flex-direction: column;
}
.svc-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--green-200); }
.svc-media { position: relative; aspect-ratio: 16 / 10; overflow: hidden; }
.svc-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.svc-card:hover .svc-media img { transform: scale(1.05); }
.svc-media .tag { position: absolute; left: 14px; top: 14px; background: rgba(255, 255, 255, .92); border: none; color: var(--green-700); box-shadow: var(--shadow-sm); }
.svc-body { padding: 22px 24px 24px; display: flex; flex-direction: column; flex: 1; }
.svc-body h3 { font-size: 19px; font-weight: 700; margin-bottom: 8px; }
.svc-body p { font-size: 14px; color: var(--ink-2); flex: 1; }
.svc-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.svc-more { margin-top: 16px; display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; color: var(--green-600); }
.svc-more svg { width: 15px; height: 15px; transition: transform .2s ease; }
.svc-card:hover .svc-more svg { transform: translateX(4px); }

/* ---------- 特色（为什么选择我们） ---------- */
.feat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.feat-item {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: transform .25s ease, box-shadow .25s ease;
}
.feat-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.feat-icon { width: 52px; height: 52px; border-radius: 14px; background: var(--green-50); color: var(--green-700); display: flex; align-items: center; justify-content: center; margin-bottom: 18px; }
.feat-icon svg { width: 26px; height: 26px; }
.feat-item h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.feat-item p { font-size: 14px; color: var(--muted); }

/* ---------- 首页流程步骤 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; counter-reset: step; }
.step { position: relative; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 24px 26px; text-align: center; }
.step::after {
  content: "";
  position: absolute;
  top: 46px;
  left: calc(50% + 44px);
  width: calc(100% - 88px);
  border-top: 2px dashed var(--green-200);
}
.step:last-child::after { display: none; }
.step-num {
  width: 60px;
  height: 60px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: var(--green-600);
  color: #fff;
  font-family: var(--font-display);
  font-size: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 18px rgba(21, 122, 83, .28);
  position: relative;
  z-index: 1;
}
.step h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--muted); }
.step-link { display: inline-flex; align-items: center; gap: 5px; margin-top: 12px; font-size: 13px; font-weight: 600; color: var(--green-600); }
.step-link svg { width: 14px; height: 14px; }

/* ---------- 数据带 ---------- */
.stats-band { background: linear-gradient(115deg, var(--green-950), var(--green-800)); color: #fff; }
.stats-band .container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; padding: 54px 0; }
.band-stat { text-align: center; padding: 0 10px; }
.band-stat .num { font-family: var(--font-display); font-size: 52px; line-height: 1; color: var(--amber-500); }
.band-stat .num small { font-size: 26px; margin-left: 3px; }
.band-stat .lbl { margin-top: 8px; font-size: 14px; color: rgba(255, 255, 255, .8); }

/* ---------- 图表 ---------- */
.charts-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.chart-card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px 20px; box-shadow: var(--shadow-sm); }
.chart-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 4px; }
.chart-card .cc-sub { font-size: 13px; color: var(--muted); margin-bottom: 14px; }
.chart-box { width: 100%; height: 320px; }
.chart-note { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 14px; padding-top: 14px; border-top: 1px dashed var(--line); font-size: 13px; color: var(--ink-2); }
.chart-note strong { color: var(--green-700); }

/* ---------- 案例卡片 ---------- */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .28s ease, box-shadow .28s ease;
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.case-media { position: relative; aspect-ratio: 16 / 10; overflow: hidden; }
.case-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.case-card:hover .case-media img { transform: scale(1.05); }
.case-media .tag { position: absolute; left: 14px; top: 14px; background: rgba(255, 255, 255, .93); border: none; box-shadow: var(--shadow-sm); }
.case-body { padding: 20px 22px 22px; }
.case-body h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; line-height: 1.45; }
.case-meta { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.case-meta div { background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 8px 6px; text-align: center; }
.case-meta .cm-num { font-family: var(--font-display); font-size: 19px; color: var(--green-700); line-height: 1.1; }
.case-meta .cm-lbl { font-size: 11px; color: var(--muted); margin-top: 2px; }
.case-point { margin-top: 12px; font-size: 13px; color: var(--ink-2); display: flex; align-items: flex-start; gap: 6px; }
.case-point::before { content: ""; flex: none; width: 6px; height: 6px; border-radius: 50%; background: var(--amber-500); margin-top: 8px; }

/* 案例筛选 */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 36px; }
.filter-btn {
  padding: 9px 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-2);
  background: var(--paper);
  border: 1px solid var(--line);
  transition: all .2s ease;
}
.filter-btn:hover { border-color: var(--green-500); color: var(--green-700); }
.filter-btn.active { background: var(--green-600); border-color: var(--green-600); color: #fff; box-shadow: 0 6px 14px rgba(21, 122, 83, .26); }
[hidden] { display: none !important; }

/* ---------- 新闻 ---------- */
.news-list { display: flex; flex-direction: column; gap: 18px; }
.news-item {
  display: flex;
  gap: 24px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 26px;
  cursor: pointer;
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
  text-align: left;
  width: 100%;
}
.news-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--green-200); }
.news-date { flex: none; width: 84px; text-align: center; border-right: 1px solid var(--line); padding-right: 22px; align-self: center; }
.news-date .nd-day { font-family: var(--font-display); font-size: 34px; line-height: 1; color: var(--green-700); }
.news-date .nd-ym { font-size: 12px; color: var(--muted); margin-top: 4px; }
.news-main { flex: 1; min-width: 0; }
.news-main .nm-top { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.news-main h3 { font-size: 17px; font-weight: 700; transition: color .2s ease; }
.news-item:hover .news-main h3 { color: var(--green-600); }
.news-main p { font-size: 14px; color: var(--muted); margin-top: 5px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-arrow { flex: none; align-self: center; color: var(--green-600); opacity: 0; transform: translateX(-6px); transition: all .22s ease; }
.news-arrow svg { width: 20px; height: 20px; }
.news-item:hover .news-arrow { opacity: 1; transform: none; }

/* 首页新闻三列 */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; }
.news-card .nc-body { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.news-card h3 { font-size: 16px; font-weight: 700; line-height: 1.5; margin-bottom: 8px; }
.news-card p { font-size: 13px; color: var(--muted); flex: 1; }
.news-card .nc-meta { margin-top: 14px; display: flex; align-items: center; justify-content: space-between; font-size: 12px; color: var(--muted); }
.news-card .nc-meta a { color: var(--green-600); font-weight: 600; display: inline-flex; align-items: center; gap: 4px; }
.news-card .nc-meta svg { width: 13px; height: 13px; }

/* ---------- 服务详情行 ---------- */
.svc-row { display: grid; grid-template-columns: 5fr 7fr; gap: 40px; align-items: center; padding: 56px 0; border-bottom: 1px solid var(--line); }
.svc-row:first-of-type { padding-top: 8px; }
.svc-row:last-of-type { border-bottom: none; }
.svc-row.rev { direction: rtl; }
.svc-row.rev > * { direction: ltr; }
.svc-row-media { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-md); aspect-ratio: 4 / 3; }
.svc-row-media img { width: 100%; height: 100%; object-fit: cover; }
.svc-row-body .sr-index { font-family: var(--font-display); font-size: 15px; letter-spacing: .22em; color: var(--amber-600); margin-bottom: 6px; }
.svc-row-body h3 { font-size: 26px; font-weight: 700; margin-bottom: 12px; }
.svc-row-body > p { color: var(--ink-2); font-size: 15px; margin-bottom: 18px; }
.sr-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 22px; }
.sr-list li { position: relative; padding-left: 22px; font-size: 14px; color: var(--ink-2); }
.sr-list li::before { content: ""; position: absolute; left: 0; top: 9px; width: 7px; height: 7px; border-radius: 2px; background: var(--green-500); transform: rotate(45deg); }
.sr-tags { margin-top: 18px; display: flex; flex-wrap: wrap; gap: 8px; }

/* ---------- 流程步骤（内页） ---------- */
.proc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.proc-card {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 26px 26px;
  overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease;
}
.proc-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.proc-no { position: absolute; right: 18px; top: 10px; font-family: var(--font-display); font-size: 72px; line-height: 1; color: var(--green-100); }
.proc-icon { width: 54px; height: 54px; border-radius: 14px; background: var(--green-600); color: #fff; display: flex; align-items: center; justify-content: center; margin-bottom: 20px; box-shadow: 0 8px 18px rgba(21, 122, 83, .26); position: relative; z-index: 1; }
.proc-icon svg { width: 26px; height: 26px; }
.proc-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; position: relative; z-index: 1; }
.proc-card p { font-size: 14px; color: var(--ink-2); position: relative; z-index: 1; }
.proc-card .proc-tip { margin-top: 14px; font-size: 12.5px; color: var(--muted); background: var(--bg); border: 1px dashed var(--line); border-radius: 8px; padding: 8px 12px; position: relative; z-index: 1; }

/* ---------- 时间轴（关于） ---------- */
.timeline { display: grid; grid-template-columns: 110px 56px 1fr; }
.tl-time { text-align: right; padding: 2px 0 0 0; font-family: var(--font-display); font-size: 22px; letter-spacing: .03em; color: var(--green-700); }
.tl-axis { position: relative; display: flex; justify-content: center; }
.tl-axis::before { content: ""; position: absolute; top: 0; bottom: 0; width: 2px; background: var(--green-200); }
.tl-dot { width: 15px; height: 15px; border-radius: 50%; background: var(--green-600); border: 3px solid var(--paper); box-shadow: 0 0 0 2px var(--green-400); align-self: flex-start; margin-top: 8px; z-index: 1; }
.tl-content { padding: 0 0 40px 26px; }
.tl-content h3 { font-size: 17px; font-weight: 700; margin-bottom: 4px; }
.tl-content p { font-size: 14px; color: var(--muted); max-width: 460px; }

/* ---------- 使命愿景价值观 ---------- */
.mv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.mv-card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 28px; border-top: 4px solid var(--green-600); }
.mv-card:nth-child(2) { border-top-color: var(--amber-500); }
.mv-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 4px; }
.mv-card .mv-en { font-family: var(--font-display); font-size: 12px; letter-spacing: .26em; color: var(--muted); text-transform: uppercase; margin-bottom: 12px; }
.mv-card p { font-size: 14px; color: var(--ink-2); }

/* 资质 */
.cert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.cert-item { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 18px; text-align: center; transition: transform .2s ease, box-shadow .2s ease; }
.cert-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.cert-icon { width: 44px; height: 44px; margin: 0 auto 12px; border-radius: 12px; background: var(--green-50); color: var(--green-700); display: flex; align-items: center; justify-content: center; }
.cert-icon svg { width: 22px; height: 22px; }
.cert-item h4 { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.cert-item p { font-size: 12px; color: var(--muted); }

/* ---------- 锚点偏移 ---------- */
[id] { scroll-margin-top: 96px; }

/* ---------- 表格 ---------- */
.table-wrap { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); overflow-x: auto; box-shadow: var(--shadow-sm); }
table.scope-table { width: 100%; table-layout: fixed; border-collapse: collapse; min-width: 720px; }
.scope-table th { background: var(--green-900); color: #fff; font-size: 14px; font-weight: 600; text-align: left; padding: 14px 18px; }
.scope-table td { padding: 13px 18px; font-size: 14px; color: var(--ink-2); border-bottom: 1px solid var(--line); vertical-align: top; }
.scope-table tbody tr:last-child td { border-bottom: none; }
.scope-table tbody tr:hover td { background: var(--green-50); }
.scope-table th:nth-child(1), .scope-table td:nth-child(1) { width: 22%; }
.scope-table th:nth-child(2), .scope-table td:nth-child(2) { width: 28%; }
.scope-table th:nth-child(3), .scope-table td:nth-child(3) { width: 24%; }
.scope-table th:nth-child(4), .scope-table td:nth-child(4) { width: 26%; }

/* ---------- FAQ ---------- */
.faq-wrap { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  text-align: left;
  transition: color .2s ease;
}
.faq-q:hover { color: var(--green-700); }
.faq-q svg { flex: none; width: 18px; height: 18px; color: var(--green-600); transition: transform .25s ease; }
.faq-item.open .faq-q svg { transform: rotate(180deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-a-inner { padding: 0 24px 22px; font-size: 14.5px; color: var(--ink-2); line-height: 1.9; }

/* ---------- 联系 ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.contact-card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 22px; text-align: center; transition: transform .22s ease, box-shadow .22s ease; }
.contact-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.contact-card .cc-icon { width: 52px; height: 52px; margin: 0 auto 16px; border-radius: 14px; background: var(--green-600); color: #fff; display: flex; align-items: center; justify-content: center; box-shadow: 0 8px 18px rgba(21, 122, 83, .26); }
.contact-card .cc-icon svg { width: 24px; height: 24px; }
.contact-card h3 { font-size: 15px; font-weight: 700; margin-bottom: 8px; }
.contact-card p { font-size: 14px; color: var(--ink-2); line-height: 1.8; }
.contact-card a:hover { color: var(--green-600); }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.panel { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 30px 26px; box-shadow: var(--shadow-sm); }
.panel h3 { font-size: 18px; font-weight: 700; margin-bottom: 16px; display: flex; align-items: center; gap: 10px; }
.panel h3 svg { width: 20px; height: 20px; color: var(--green-600); }
.chip-list { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { display: inline-flex; align-items: center; padding: 7px 15px; border-radius: 999px; background: var(--bg); border: 1px solid var(--line); font-size: 13.5px; color: var(--ink-2); }
.chip b { color: var(--green-700); font-weight: 700; }
.note-list { display: flex; flex-direction: column; gap: 14px; }
.note-list li { display: flex; gap: 12px; font-size: 14.5px; color: var(--ink-2); }
.note-list li svg { flex: none; width: 19px; height: 19px; color: var(--green-600); margin-top: 3px; }
.note-list b { color: var(--green-700); }

/* ---------- CTA 带 ---------- */
.cta-band { background: linear-gradient(115deg, var(--green-900), var(--green-700)); color: #fff; text-align: center; padding: 66px 0; position: relative; overflow: hidden; }
.cta-band::before { content: ""; position: absolute; left: -80px; top: -120px; width: 340px; height: 340px; border-radius: 50%; border: 2px solid rgba(255, 255, 255, .12); }
.cta-band::after { content: ""; position: absolute; right: -60px; bottom: -140px; width: 320px; height: 320px; border-radius: 50%; background: radial-gradient(circle, rgba(240, 163, 47, .3), transparent 70%); }
.cta-band .container { position: relative; z-index: 1; }
.cta-band h2 { font-size: clamp(26px, 3.4vw, 38px); font-weight: 800; }
.cta-band p { margin: 14px auto 30px; max-width: 560px; color: rgba(255, 255, 255, .85); }
.cta-band .cta-tel { font-family: var(--font-display); font-size: 30px; letter-spacing: .06em; color: var(--amber-500); margin-left: 12px; vertical-align: middle; }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--green-950); color: rgba(255, 255, 255, .78); }
.footer-grid { display: grid; grid-template-columns: 2.2fr 1fr 1.3fr 1.6fr; gap: 40px; padding: 64px 0 48px; }
.footer-brand .brand { margin-bottom: 18px; }
.footer-brand .brand-text strong { color: #fff; }
.footer-brand .brand-text small { color: var(--green-400); }
.footer-brand p { font-size: 14px; line-height: 1.9; max-width: 320px; }
.footer-certs { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.footer-certs .tag { background: rgba(255, 255, 255, .08); color: rgba(255, 255, 255, .85); border-color: rgba(255, 255, 255, .18); }
.footer-col h4 { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 18px; letter-spacing: .03em; }
.footer-col ul { display: flex; flex-direction: column; gap: 11px; }
.footer-col ul a { font-size: 14px; color: rgba(255, 255, 255, .72); transition: color .2s ease; }
.footer-col ul a:hover { color: var(--amber-500); }
.footer-contact li { display: flex; gap: 10px; font-size: 14px; align-items: flex-start; margin-bottom: 12px; }
.footer-contact svg { flex: none; width: 17px; height: 17px; color: var(--green-400); margin-top: 4px; }
.footer-contact a:hover { color: var(--amber-500); }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .12); padding: 20px 0; }
.footer-bottom .container { display: flex; flex-wrap: wrap; gap: 10px; justify-content: space-between; font-size: 13px; color: rgba(255, 255, 255, .55); }

/* ---------- 弹窗（新闻正文） ---------- */
.modal { position: fixed; inset: 0; z-index: 200; display: none; align-items: center; justify-content: center; padding: 24px; }
.modal.show { display: flex; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(5, 30, 20, .62); backdrop-filter: blur(3px); }
.modal-card {
  position: relative;
  width: min(760px, 100%);
  max-height: min(84vh, 820px);
  background: var(--paper);
  border-radius: 18px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  animation: modalIn .3s ease;
}
@keyframes modalIn { from { opacity: 0; transform: translateY(22px) scale(.98); } to { opacity: 1; transform: none; } }
.modal-head { padding: 26px 32px 18px; border-bottom: 1px solid var(--line); }
.modal-head .nm-top { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.modal-head h3 { font-size: 22px; font-weight: 800; line-height: 1.4; }
.modal-head .nd-ym { font-size: 13px; color: var(--muted); margin-top: 8px; }
.modal-body { padding: 24px 32px 34px; overflow-y: auto; font-size: 15px; line-height: 2; color: var(--ink-2); }
.modal-body p { margin-bottom: 16px; }
.modal-body h4 { font-size: 16px; font-weight: 700; color: var(--green-800); margin: 20px 0 10px; }
.modal-body ul { margin: 0 0 16px; padding-left: 22px; list-style: disc; }
.modal-body li { margin-bottom: 6px; }
.modal-close {
  position: absolute;
  top: 16px;
  right: 18px;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--paper);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-2);
  transition: all .2s ease;
  z-index: 2;
}
.modal-close:hover { background: var(--green-600); color: #fff; border-color: var(--green-600); }
.modal-close svg { width: 17px; height: 17px; }

/* ---------- 返回顶部 ---------- */
.to-top {
  position: fixed;
  right: 26px;
  bottom: 26px;
  z-index: 90;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--green-600);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 24px rgba(21, 122, 83, .34);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all .3s ease;
}
.to-top.show { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--green-700); transform: translateY(-3px); }
.to-top svg { width: 20px; height: 20px; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .feat-grid { grid-template-columns: repeat(2, 1fr); }
  .svc-grid, .case-grid, .news-grid { grid-template-columns: repeat(2, 1fr); }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .main-nav {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--paper);
    flex-direction: column;
    align-items: stretch;
    padding: 14px 24px 22px;
    gap: 4px;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-md);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: all .28s ease;
  }
  .main-nav.open { transform: none; opacity: 1; visibility: visible; }
  .main-nav a { padding: 13px 16px; font-size: 16px; }
  .nav-toggle { display: flex; }
  .header-tel { display: none; }
}

@media (max-width: 760px) {
  .section { padding: 64px 0; }
  .hero { min-height: 560px; }
  .hero-inner { padding: 72px 0 52px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); row-gap: 4px; }
  .hero-stat { padding: 22px 8px 24px; }
  .hero-stat:nth-child(2) { border-right: none; }
  .hero-stat .num { font-size: 36px; }
  .stats-band .container { grid-template-columns: repeat(2, 1fr); padding: 44px 0; }
  .band-stat .num { font-size: 40px; }
  .svc-grid, .case-grid, .news-grid, .feat-grid, .mv-grid, .proc-grid, .charts-grid, .two-col, .contact-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .step::after { display: none; }
  .svc-row { grid-template-columns: 1fr; gap: 24px; }
  .svc-row.rev { direction: ltr; }
  .svc-row-media { aspect-ratio: 16 / 10; }
  .sr-list { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: 76px 40px 1fr; }
  .tl-content { padding-left: 18px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; padding: 52px 0 40px; }
  .news-item { flex-direction: column; gap: 14px; padding: 20px; }
  .news-date { width: auto; border-right: none; text-align: left; display: flex; align-items: baseline; gap: 8px; padding-right: 0; }
  .news-date .nd-day { font-size: 26px; }
  .case-meta { grid-template-columns: repeat(3, 1fr); }
  .container { width: calc(100% - 36px); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}